In my humble opinion, trolls actually do harm to people on the net. The world of the net exists only as words and pictures and that is what trolls seek to destroy.
While it is true that trolls have no power that their victims don't give them, the ability to simply ignore them is a trait that very few people have.
That's why I have a policy of zero tolerance for that sort of behavior here and often I will encourage people who just need to vent to do their venting on
someone else's board.
I want Sun Sims to be a happy place!
