When does the Bully become the Bullied?

Rockstar Games, the people behind Grand Theft Auto, are about to release a new game called Canis Canem Edit in this country and Bully in the rest of the world. Some people want to see it banned. The BBC website has this story about the game.

http://news.bbc.co.uk/1/hi/technology/6089618.stm

What do you think? Is bullying, or fighting back against bullies a suitable topic for a computer game?