There are some paradigms here that I do not agree with. Someone said, “They’re always loaded.” That is completely untrue. After I clear my weapon, it’s unloaded. I can dry fire it all I want, including at the TV if I desire, and it will never discharge. If I scratch my head with a sawzall while my finger is on the trigger, I stand a good chance of sawing a hole in my head. They’re tools, use them with the requisite respect and there won’t be a problem, treat them carelessly and somebody is gonna get hurt.
I went to the gun store with my GF and every time the clerk handed me a pistol or revolver, he opened it and checked it. Then when I took it from him, I opened it and checked it for myself. Proper discipline isn’t a difficult concept, less so with something that can kill someone.