Originally Posted by
Dirtgoblin
It's working as intended - MC dish has always had a chance to backfire, turning you hostile.
It just so happens that the OP was using it on low level mobs, where the only hostile thing was low level players.
If it fails at relevant content to your level, you'll easily get owned by other players.
For example, done this plenty of times in AV where you can MC someone in Van's room, and make Van kill him --- yet if it backfires, you'll become hostile and get raped by your teammates.