User blog comment:G0LD3NF1RE/The Elder Scrolls Online QuakeCon Gameplay/@comment-4542210-20130804094026/@comment-5469467-20130804100130

Never thought about friendly fire options. Honestly, it doesn't seem like the sort of game that would let it be disabled. After all, people will keep complaining if they get teamkilled, to say nothing of griefers.