Ah, I see what you mean now. I just double checked my Springfield Mil Spec and there is no wear visible on the slide in the area you're referring to. I think in your case the slide to frame fit is probably too tight. That usually happens on the rails but in your case it looks like the slide is rubbing on the dust cover part of the frame. In the factory, each slide is mated to a frame and they are hand fitted. The tolerance is tight on custom guns to increase accuracy and match performance.
Try this... remove the barrel, the recoil spring and the guide rod and put the slide by itself back on the frame. The slide should move freely through the whole length of its travel under its own weight. If it binds, the fit is too tight. I have heard of some custom 1911s that were so tight the slide had to be beat on with a rubber mallet. That's way too tight and reliability goes right out the window.
What concerns me most in your case is that it looks like it's binding on one side of the gun. It would likely loosen up during a break-in period, but if allowed to continue it could cause uneven wear on other parts and eventually affect accuracy. Of course it could be binding equally on the right side but under the frame rails where you wouldn't see it.
This can be fixed by lapping the slide to frame fit, and the wear you see on the slide can be reparkerized. Or they might have to "tweak" the dust cover in that area, probably by removing a little bit of metal from the inside where it rubs on the slide. I'm sure Springfield will make it right.