It's common knowledge that if you leave the map like that, you're breaking the rules. He wouldn't have left if he weren't trying to get an advantage.
It's already hard enough for traitors to play their part on that map.
Could you upload the demo?
You recorded him where there is like 9 people and saying an unfair advantage to traitors since he can't be killed.
Extra
9:12 AM - Dovahkiin: tezuni said you were there
9:13 AM - Ἆxule: All I remember was that when he fell out of the map on accident (to where we couldn't shoot him) he suicided
9:13 AM - Dovahkiin: he suicided
9:13 AM - Dovahkiin: ??
9:13 AM - Ἆxule: yeah
Also i think Minic or some admin stated that as long as you get shot in the glitching spot, is legal.