IME (with groups in general) it's as much about policing as it is emulation. When people act like jerks--whether to emulate a leader, or just because--and no on

IME (with groups in general) it's as much about policing as it is emulation. When people act like jerks--whether to emulate a leader, or just because--and no one says "hey, that's not cool", it becomes the norm.