I want a relaxed atmosphere. My point is that fast-moving threads are where strife often takes place, with people going at each other instead of reporting posts. (That applies to probably every online community that I've followed.)
On another note, concerning informally reporting problems and moderator presence, I've only seen one moderator whose posts always make that clear. Can someone else change his or her set-up so that readers instantly will know it's a moderator? Especially if it's a moderator issuing a public No-no. Maybe that guy wouldn't have started this thread if he'd known who to contact with his complaint. And bartenders usually wear bartender-identifying clothing, you know
Edit: on some forums, the moderator usernames are listed under each page of threads, which would help a little.