Oddly enough, even with the smokey backroom, the overwhelming majority of banned posters have been creationists. Many of them were banned for claiming that the site owner plays favorites.
One of them even threatened to sue JR.
You have such a loose grip on the facts.
It was RightWingProfessor, an Evo, that threatened to sue, and it was related to a personal battle that he started months before it climaxed.