I have to say that when I saw this movie the first time (it was in theatres, I was with my dad), I thought it was pretty shocking and gory, especially compared to the first AVP, and also most of the films in the separate franchises. We never got to see a kid getting face-hugged and chest-bursted before, and especially with the whole dad-son thingy, as I was with my dad. Still, I got more grossed out cause of the mother impregnation and burster scenes, it was downright weird and unexpected.
Don't get me wrong here, but I like being scared and slightly grossed out by movies, nowadays few movies have that effect, and those scenes were kinda needed, or if not them, something slightly less offensive. Just think about it, without a little controversy, it would be a much suckier movie than it already is.