I feel that the problem in most player/volunteer modded communities is that the mods end up erecting this little clique of secrecy and elitism that is very hard to penetrate.
More accurately, I would say that players get the impression that GMs hide behind rules because they don't want to deal with people at all really, but instead just enjoy having the authority of keeping people in line.
Here's an easy example.
A few days ago, I bumped an old thread in hopes that the suggestion made in that thread would get a fresh look. Apparently, there's a rule against this. Nwaij decided to edumacate me by quoting the rule at me in the thread, then trashcanning the thread altogether. When I checked back later I was curious as to what happened to the thread, and I had to look around a bit to find it in the trashcan (still there, if anyone's curious).
It would have been easy for Nwaij to simply quote the rule to me or send me a PM telling me about the rule against bumping old threads. Instead, he felt it was his duty to delete the thread altogether and force me to go in search of it in order to learn my lesson.
While Nwaij got his point across, he did so in a way that I felt was unnecessarily heavy-handed, and his action created a situation in which the thread no longer shows up in forum searches if someone is searching for past discussions of the idea in question, leaving everyone at a loss. Tears for me, tears for the community.
I wish Nwaij was the only GM out there that enjoyed flexing his GM authority at the expense of players, but other GMs do this kind of thing all the time. Instead of simply talking to players, a lot of GMs out there prefer to simply force actions on players, which sometimes succeeds in getting the player to follow the rules, but it also breeds resentment.
Imagine how the conversation between Tao and the nub 3-boxer could have gone:
admin-Tao: Hey, you got a second?
Nub 3-boxer: Umm... hello.
admin-Tao: Hello there! I'm admin-Tao, and I'm in charge of keeping the peace around these parts. I checked the server logs, and I notice you've got three toons logged in right now. Are you aware that there's a rule against 3-boxing in SoD?
Nub 3-boxer: Uh.. no I didn't know that. I just had the third toon in to do buffs for my other toons.
admin-Tao: Well, it's illegal on this server no matter what you were doing with them. You can only log in two toons at once on SoD. If you log in more than that, you can be subject to jailing or possibly banning.
admin-Tao: Fortunately, I'm in a good mood so I'll let you off with a warning if you log off the third toon right now.
Nub 3-boxer: k, done.
admin-Tao: I appreciate your cooperation.
admin-Tao: and hey! Have a free gate pot on the house. That should make your trips to the bank go a little faster for a while.
Nub 3-boxer: thanks
admin-Tao: no problem! Enjoy your time here on SoD.
Instead, here's how it probably actually went:
admin-Tao tells Nub 3-boxer, [ conversation not found ]
Nub toon 1 banned!
Nub toon 2 banned!
Nub toon 3 banned!
Nub 3-boxer tells himself, "WTF?? Why can't I log in my characters??"
Asks in-game friend what happened.
Gets pissed off.
Looks up rules on the forums.
Finds Tao's contact info.
Nub 3-boxer tells himself, "I wish I could still play. Is it worth sending this dude a polite email stating regret for my action against the server, and beg him to let me log in again?"
Decides against it, flames Tao and promises ugliness if they met in real life.
Moves on to one of the other myriad of online MMOs that are now free-to-play.
Yeah, you can make the argument that if the guy was that immature, we didn't want him around here anyway. I guess we'll never know.
Really, I would say this stuff is basic customer service. You can handle your customers in a way that makes them feel you're on their side, or you can handle them in a way that makes them want to piss in your cereal. I see a lot of cereal pissers around here these days.