The Cage lives and dies with Monkey. We've seen time and time again what happens to it when he leaves -- it either becomes a landfill or a ghost town. If he does leave (I'll believe it when I see it), there's not a damn thing anyone can do. So, my suggestion is simple: Give Gia the power to ban any spammers and the like and just leave it open. And if it gets so bad that just having his name associated with it brings a tear to his eye, Monkey can always politely ask Jeff to change the name of the forum to something else.
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"Bornyo sleeps under a bearskin that he killed and skinned when he was 5. He just stared the thing dead with mind bullets." - Floofin