Clearly rules were broken.
There is a reason why these rules are in place, anyone that played pre-admins can tell you that the chat were pretty bad. Filled with strange people like (CID) flooding the chat making us normal players unable to use the most basic communication tool available.
So yeah, lets make an example out of this guy, show him that we are in command of our chat, not silly underage children.
+1 ban on Cunter.