The thing about being a GM, is that even if not every one of them mishandles a situation (I've seen both GMs handle things VERY well and VERY not so well), the actions of one will inevitably reflect on how the whole operates. Just like how not every cop is a bad cop, but when there are incidents of cops shooting unarmed citizens, the general feeling toward police changes to very negative to the whole. And GMs have to understand that, and team members as well. If a GM or other team member is quick to pull the trigger on a ban without any discussion, or makes asenine and rude comments to other players, it makes the general populace feel uneasy dealing with the group, and furthermore creates unwillingless to approach GMs with problems should they arise, unless you are fortunate to have one GM you feel comfortable dealing with. Perhaps this is another reason this situation has devolved the way it has. So the two things that have to be resolved is a) player trust among each other, and b) player trust of the GMs.