On Expert duties, just make your mind that everyone is a douche, and be happy when you get the few nice people that maybe are doing them.

I'lll tank them and just got used to don't pay attention to any bitching in party and justa make sure the run goes smoother and faster as possible, depending healing and dps efforts.

When dps haven't any AoE and therefore I don't go pull large groups, there always is someone whining about that. Who cares.