Two in the Orca is a very viable strategy and works a lot of the time. Also characters also have timed c4's not very hard to defend off the enemy team with two guys and an orca for 30 seconds. Especially if part of their team is engaged else where.
Except you can kill any character with a headshot with a Havoc, which is fairly easy in Renegade X. Orca + Havoc defending the C4's on a building is a pretty solid plan.
I guess those communities war and lobby wars back in the day count as a 6 v 6? Last time I checked they were always 15 vs 15 or higher. I think he has quite a bit of experience in big games and also has knowledge on competitive games. Furthermore, I don't understand why you would try to attack the person arguing to try to win you "argument".