There might be a small spike when the bad guys get their numbers reduced. An armed society becomes a polite society.
Dear Chief Cathy L. Lanier,
Shouldn't you be in the kitchen, baking cookies?
The History Channel has a show on the roaring twenties and guns.
People were polite in the speak easys since there was no use getting upset over an accidental transgression when you didn't know if and/or what the other guy was carrying.