Or if you win the roll. Reset can do guts move even when winning, not only when failing and passing the bts one
The descriptions of the rules are almost always abstraction, and certain rules are used in place of giving a unit a unique rule, mimitism as a bullet proof shield is quite literally one of these abstractions:
That would be called Nanoscreen, if ported completely... but unlike Mimetism and extra ARM, Nanoscreen does not stack with cover
I would rather Mimetism stayed the same just to keep it simple. As I am sure has already been said in the 19 pages so far, I don't really have a huge issue with HI other then to say that I don't value armor or even the extra wound as much as the point costs seam to value them.