You're not talking about well trained shooters here and bullets have to go somewhere, not always in the bad guys. You're also just basing this on the fact that people could bring themselves to shoot another person.
Yes, but in close prox, ten bullets, one will hit close.
and yeah, some people won't fire. But some will. And knowing that he couldn't "go out in style" as his suicide note read, this 19-year old fired from McD for stealing $17 might have chosen another place