I like your view on it. Teaching what's right is also important. If you don't understand what/how you did something wrong, and you're a bit stubborn, you eventually won't care. Some people just don't care much about negativity or emotion.
I guess we're both right.
Negativity is an essential part of the human psyche.
All things that exist have a place.
Poorly disciplined emotions creates manifestations of inappropriate negativity.
I second that motion, it is defamation what he is doing, and it should be punished.