Or they could follow the guidlines:
7. Myth: You can't get punished for being provoked into raging by another player. - Fact:You are expected to control yourself on the keyboard, especially since it is a keyboard and not your mouth. You will get punished if you rage in chat. If you respond by cutting off communication with your entire team altogether, that may actually work against you as that can be considered another form of raging.
Also, thier case may already be up on the Tribunal. If the individuals get reported for retilation there is a pretty good chance the instigators are up for judgement also. Double Jeapordy.