When they're unworthy, we remove them. Simple. I can't speak to what those people think, I'm not them.
We wouldn't take anything our parents tried to leave us; they're assholes and we have enough resources of our own.
A lot of people do. Hell, even you think they have 'more important' things to worry about than the laws that dictate how they're allowed to live their lives. Like they're not bright enough to figure it out or have opinions.
A gun is a type of weapon. It fires metal balls very quickly and across a great range - much more than a bow.