Playing nice

You might have heard of this week's Ilium disaster in Star Wars: The Old Republic. Basically Bioware changed the rules how PvP is handled in a specific PvP zone, and got surprised by the consequences to a degree that they needed to emergency patch in a hotfix. It turned out that if you make PvP very unrestricted, with very few limitations except that you can only kill players of the other faction, players will react by playing not nice. In this case it was possible to camp spawn the enemy factio

World of Warkraft...