It just baffles me that people can be so stoopid with a firearm. In many cases it's probably the same Einsteins who text while driving or smoke when pumping gas.
We had a neighbor once who was cleaning his motorcycle in his living room. He was smoking when the gasoline started to spill from his full tank. We were lucky. Only his house burned to the ground. I don't know if he owned a gun but, if he did, I would guess that when he cleaned it...