I think the XC1 is currently crippled, until/unless they release a DG switch for it, and then it is still somewhat of a niche light. It is not a light that will cover CCW in a movie theater and nightstand use IMHO.
As a CCW light requiring two hands to operate is probably OK. Reactive use is what is anticipated. If you draw reactively it you're likely using two hands to clear a cover garment so you have two hands free to activate the momentary switch. But the output is only really sufficient for close-range affairs. The XC1 doesn't have "movie theater distance" throw.
The output is decent for home defense use -- the beam reminds me of the x200B -- good for filling a residential room. But currently without the ability to activate the light and shoot with one hand (the other hand holding a flashlight, door, kid, etc) it fails. If/when they release a DG switch for it it might be able to do double duty as a close range CCW/home defense light. By then maybe the XC1A will be out with more throw.
Since the XC1 is not really QD like the X300, I can't really swap it on/off for the X300 when I go to the movies, and at home I much prefer the X400. So I'm happily l living with the X300U and the Raven VG3 when I want to carry a light.