There's function in that though, those kinds of people raised in the right value set become the best firefighters, medics, servicemen etc. Society needs intractably disagreeable, fervent types. Society just doesn't need them trying to get everyone to get their son's cock cut off and put in a dress.

Psychopathy as a trait gets a bad rep, but Trump himself would be this type - no matter what you do to try and turn him, he keeps going. Whether you go down with the ship or change the world is dependent on success, which is a silly measure by which to judge someone's actions.