>>536803893
That's why it's broken, for exemple, it gives 5.4% of your XP bar when your team wins an objective on Warsong Gulch with War Mode, so you get 16.2% of your level taken care of if you win a game. Add to that the XP you get from killing a ton of players, and that result on battlegrounds being the best XP farm once you've reached somewhat level 30.