it really depends on the community for me, good community means good GMs, i was a admin for a GREAT community and so i was a kind and nice admin to them all. but ive also seen the bad communities where its constant "give me lvl, give me weapons, give me this, give me that, i wana be a GM", they will piss off a GM and therefore they get sick of them and jus boot em.
so as far as im concerned, if u have a good community there to back you up, you'll be a good GM, if u dun, than u'll get pissed off FAST! and probably quit.