Why does everyone have a burning passion of hatred for Rousell?

I have been a Stars fan for a long while and I can easily recognize that Rousell is aggressive and a bit aggravating, but everyone hates him like he's the biggest dick ever to play hockey. I can assure everyone that he is FAR from the most aggravating agitators I've seen.

Is there something I'm missing to make me realize how much of a "fucking douchbag" he is?