Uh, no?
so you've just disproved your whole argument?
"if they had guns no children would have died."
"no they didn't even try"
he was arguing with the principal for like 10 minutes before he ever shot a single bullet. and all the staff members were standing around watching.
yes, they would have shot him if they were armed. easily.
okay, so he has a gun on all of them, and they'd do some wild west tricks, smoke a cig, and pull out their pistol like billy the kid and shoot him? get real. even if they all did that, he was wearing body armor and would've of killed them if they tried.