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Been reading online and a lot of people seem to strongly dislike sore us vs aimpoints.
I've had both and both have worked well (sof has used eotechs for years, and they are coveted in my unit)

I've owned a few and loved them...
So why do people dislike them so much?
Thank you

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The only one I have ever owned had dead batteries every time I pulled it out of the safe.

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Mine's for a non-technical reason... They never paid me the $150 rebate that they were supposed to, years ago. They blamed it on the rebate processing firm, who lost my rebate. And, though I had copies of my receipt and form, they refused to honor it, again blaming it on the processing company. Processing company said they needed originals, which I had sent them. Both parties pointed fingers... and I just decided to never by Eotech again.

Silly reason, but reason enough. I still have one Eotech (use to have several), but won't ever buy another.

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Jeezus.   Here we go again with outdated information regarding the 500 series EOTechs.   The issues with the older model EOTechs are well documented and are often regurtitated by couch commandos whose purpose in life is to post more than they shoot, practice the mag flipping, and shoot using the choke-the-chicken Costa grip, endlessy terrorizing innocent paper targets and water bottles.  
It's also well documented that EOTech has long since addressed the battery issues and have offered to fix or replace units that people have sent in for repair and continue to do so.  The newer models have worked fine, and with regards to them being robust I'd rank them right up there with Aimpoints.  

XPS Torture Test (by an Aimpoint user)

It's funny how so many people are all about MADE IN 'MURICA!, but at the same time take every opportunity to bash an American company and American inginuity.  Yeah, the Swiss have it all figured out.   For the record I've seen my fair share of deadlined Aimpoints sitting in arms rooms, tagged and ready for turn-in.  Shit happens.  Welcome to 2014.

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EO is nowhere near as durable as an aimpoint. When it's MY $700+ I expect it to survive a year or more in an austere environment. If you take your safe queen to a yeager class it's not really the same. Before you tell me how  many special people use EO you have to consider how deep their budget is. Im not going to put in fresh batteries every day when its my money and there isnt a hardigg box of free EOs in my basment for when they eventually and inevitable shit the bed.

Quoted:
EO is nowhere near as durable as an aimpoint. When it's MY $700+ I expect it to survive a year or more in an austere environment. If you take your safe queen to a yeager class it's not really the same. Before you tell me how  many special people use EO you have to consider how deep their budget is. Im not going to put in fresh batteries every day when its my money and there isnt a hardigg box of free EOs in my basment for when they eventually and inevitable shit the bed.

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The  nitrogen charge keeps leaking out of mine (and my brothers and my brother-in-laws). You think a $500+ optic would not have these problems.

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How do you know if ghe nitrogen leaks? It fogs up?

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I could not even do the lower 1/3 co witness with my irons because it was so dim..

Quoted:
Been reading online and a lot of people seem to strongly dislike sore us vs aimpoints.
I've had both and both have worked well (sof has used eotechs for years, and they are coveted in my unit)

I've owned a few and loved them...
So why do people dislike them so much?
Thank you

Quoted:
I can't use them, the reticle is too blurry, it looks like a bunch of tiny dots grouped together.  I'd have to mount it out on the end of the rail to be able to use it. I'll stick with my Aimpoints.

Quoted:
Jeezus.   Here we go again with outdated information regarding the 500 series EOTechs.   The issues with the older model EOTechs are well documented and are often regurtitated by couch commandos whose purpose in life is to post more than they shoot, practice mag flipping, and shoot using the choke-the-chicken Costa grip, endlessy terrorizing innocent paper targets and water bottles.  

It's also well documented that EOTech has long since addressed the battery issues and have offered to fix or replace units that people have sent in for repair and continue to do so.  The newer models have worked fine, and with regards to them being robust I'd rank them right up there with Aimpoints.  

XPS Torture Test (by an Aimpoint user)

It's funny how so many people are all about MADE IN 'MURICA!, but at the same time take every opportunity to bash an American company and American inginuity.  Yeah, the Swiss have it all figured out.   For the record I've seen my fair share of deadlined Aimpoints sitting in arms rooms, tagged and ready for turn-in.  Shit happens.  Welcome to 2014.

Quoted:
I once went to a rifle range where they were doing a aim point / eotech comparison. The salesman was aim point rep and he had a rifle zeroed with a ML2 aimpoint and a rifle with the eotech. He fired 10 rounds  hitting the steel at 100 and then he took the aim point off the rifle and threw it down the range. He also did that with the eotech.

Both were picked and reattached to their rifles. The aimpont worked, and he rang steel at 100. The eotech was cracked but still held zero.

He then dunked them in a bucket of water for a minute. Again same thing - they worked.

He started demonstrating the settings of brightness, and the eotech died.

He had done that demo 10 times with the aim point . The eotech was new . He had never had one survive a demo twice .

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The base line function of the Aimpoint and the Eotech are so different that I don't personally understand why people compare them.  OK they ARE attempting to fill the same task, so that brings up the obligatory comparisons, but the actual function of the two is apples and oranges.  

The Eotech uses a laser emitter and the Aimpoint uses a simple red LED.  The LED uses less power, therefore requires less battery.  There is no way Eotech could get 50,000 hours out of a laser with a battery.  So unless they plan to switch to a simple LED, the battery life is probably never going to surpass 1,000 hours.  The Aimpoint is also a bit more bullet proof (no pun intended) because LEDs are encased, generally in poly carbonate, where lasers tend to be more sensitive.  It takes a lot to knock an LED out, just look at the LED weapon lights people love.  

Aimpoint also uses a refractive lens in the housing so what you're looking at is a direct reflection of the LED at the base of the sight through a translucent "mirror".  Because of that, the focal point is shorter.  Eotech uses a holographic image embedded on a plate in the lenses that is illuminated by a laser.  Since it's not a reflection of an active element, the focal point is for all intents and purposes infinite.  Which is why they want you to wear glasses.  In both cases, they want you to focus on the target not the reticle.  So by shear optics, the aimpoint will tend to blur a little more as you focus out at distance where the eotech will tend to sharpen at distance.  Since the eotech is a laser emitter, the image will appear to be pixelated due to the nature of laser emitted light.  And since the Aimpoint is a simple LED, you will not get that pixelation effect.  

Also, and I think this is personal preference, I think people tend not to like the Eotech reticle because it almost begs the eye to try to focus on the reticle instead of the target.  But when you do that, it throws the reticle out of focus so your mind starts to fight with it.  Trying to focus on it and making it blurry and back and forth.  Which is understandable because almost all shooting is done with the mantra of front sight post, front sight post, front sight post.  So you're so used to front sight, you try to replicate that with the Eotech because it's a bullseye with a dot.  It's less prevalent with the Aimpoint because there is less in the way to draw your eye to and the dot is supposed to be a little out of focus anyway when you are using it properly.  So it's less distracting to some people.

For me, I use Eotech.  Not because I have anything at all against Aimpoint.  I just prefer the reticle for personal use.  I've tried both and kept coming back to the Eotech.  But that is purely a preference thing.  I'm not too concerned about battery life.  I figured out how to turn on the Eotech and to my surprise, it was pretty easy to do... LOL (just messing).  At some point a "torture" test becomes utterly ridiculous.  Yeah, the Aimpoint can survive being dropped from a helicopter.  I don't own a helicopter.  I know, the toughest wins, but I really only need it to be so tough.  I don't really need an optic that can survive a 3 day stint on the surface of the sun.  Cause much of what people call a torture test would probably kill the user before it would kill the gun.  (Don't get me wrong, they are impressive to watch and it shows a strong and durable product.)  It's just that if one optic can be frozen in ice and sunk to the bottom of a 150' lake and swallowed by a shark and then retrieved and shot while the other one can only be frozen in ice and sunk to the bottom of a 125' lake before being swallowed by a shark and then retrieved and shot...  Am I really going to suffer from that lack of 25' of depth?  I mean come on, by the end of that, I'm shark poo no matter which optic I have.

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BTW, if the EoTech is so durable, WHY has the U.S. Military changed their procurement to Aimpoint or ACOG only?

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Guess what most modern lasers are...

LED's

There is no doubt that Aimpoint has their shit together, it seems like no other red dot manufacturer can built one with a 5 year battery life.