Originally Posted by Blizzard Poster
Nobody is being banned. One of the first things GMs do after a new patch is recommend that people disable addons, because they often cause problems if not properly updated. With the exception of cross-faction communication addons and malicious addons, if it works, it's okay to run.
Remember that if there is a separate program running while WoW is running, that watches or interacts with the game, then that is against the ToS, but addons without any executables are fine.