A half action aim and shoot is a very standard thing to do, it is not some weird edge case that some people keep suggesting it is. The issue is that an NPC only needs to get lucky once, if he dies in an encounter it's not too big a deal, the player on the other hand has to be lucky every time.
Why should he? it is not like a single autogun shot can place your character into the grave... Actually, in the 2.0 Beta book there are only four weapons (krak missile, inferno pistol, meltagun, autocannon) that can insta-gib a character with an average damage roll. That's hardly Character Death Heaven if you ask me.