First of all, you're making
incredibly gross generalizations. You seem to have a preconceived idea of a very specific type of robbery as the only violent crime one might ever find himself a victim of.
Second, while I agree every person who carries a weapon should have training:
http://www.allheadlinenews.com/articles/7006992116
This was the woman's first time using a gun.
Do you have some vendetta against guns or something?