The limitation of riots, moral questions aside, is that they cannot win and their participants know it. Hence, rioting is not revolutionary but reactionary because it invites defeat. It involves an emotional catharsis, but it must be followed by a sense of futility.
In a world where irony reigns, where you have to separate, protect and laugh at anything that is honest or has an emotional charge, I bet for catharsis. I like to invest emotionally in things. And catharsis, when it touches the emotional vein, can open the doors of even those who protect themselves.
The interesting thing about acting is using all your own stuff and having some kind of personal catharsis while you're working.
There's something about a catharsis that is very important.
I sometimes think it's like a weird elastic band. The more tragic your work is, the quicker you snap back. There's a catharsis in telling a miserable old tale; you get rid of demons.