If you ever played any Diablo 2 back when it was all the rage, you know how vigorously Blizzard tried to crack down on botting action by banning accounts, CD keys, etc. Granted there were no law suits involved, but as far as I know no one ever sold any d2 bot software for profit. Now people DID profit selling items that they botted so... I'm not sure how that all shakes out legally.

I don't play WoW, and I'm not saying I agree or disagree with the decision, but it seems consistent.