Pyro:
As far as concensus picks, I think people will adapt to, and trust, your (HTC) judgement.
Many years ago I started a Bulletin Board for ex-pats living overseas. Despite my best effort, it grew to several thousand posters. The sense of 'community' from a common interest became polluted also from trolls, troublemakers and tyrants. I enlisted the help of some volunteer moderators (whom I chose based on their posting history and common sense - not on their popularity) and the culture did eventually evolve back to more of a community. But, we had to start a fresh board (to tighten up registration) after letting people save any gems from the past. The fresh board and new moderation was adapted to after time, like all things. The thousands of posts that went into the internet waste basket are long since forgotten.
Unfortunately, trolls never die, they just change names, but clipping their wings early was supported and the key to changing the culture. People and 'communities' really do adapt to moderation that is consistent and fair, but firm. Those who cannot adapt are never a loss since the rest of the posters don't even notice they are gone.
The O'Club was getting a little too poisonous, but you have to expect that an air combat game is going to attract some aggressive forum posters... Kudos for taking action. You may find community moderation will work because moderating isn't rocket science. Beyond the standard profanity, racism, vulgarity, inciting of hate and trolling, when reasonable people cringe, it's time to moderate quickly. The posters who push the envelope know what they are doing and so does everyone else. You just need a few more sets of eyes to help catch things earlier.
You're being very generous to allow non-customers to enter the O'Club. I think the idea of using in-game names only has some merit and accountablity to prevent trolls and multiple accounts. In the old days, you had to be an officer (and a gentleman) to enter the O'Club. Being a customer isn't too much to ask and a little 'exclusiveness' wouldn't hurt. In the Officers' Mess on a boat ('ship' to the black shoe Navy) there are two things that are never discussed: Politics and Religion. Never. Ever. It is not done.
So why not call it the Aces High Club? "Members Only" and a fresh start. All topics are welcome, providing they are not profane, racist, etc., etc.
Good luck at getting this sorted.