I think that's more than obvious.

No he didn’t.

They are checking if anyone is cheating by carrying a b*mb, that wouldn't be a fair fight would it?

Will have to try it. I already know Shin Ramyun powder makes everything taste better.

True. Making things illegal just increases the fun rating.
The real violence exposure is the real life stuff, army, police, gangs and other criminals.
For example kid's see the president order the invasion of another country or bomb a school and it effects them psychologically. Their country can do that, but they can't?