Yeah, but babies are. Babies are just dumb enough to wheel their walker into a classroom, brandish a Commie pistol, and force the teacher to shoot them. The baby might, maybe, might, be able to pop off a couple of caps before the teacher dropped them. Although I guess the baby really wouldn't drop since it was being supported by the walker, but at least the impact would send it spinning out into the hall where it might hurt an innocent bystander.
We must protect the innocent bystanders!