Details of the Satan banning are here. Ed Zotti of all people wrote the March 2001 ATMB post. Satan has been banned
Opinions were mixed. From my 2023 perspective, discussants were still unsure about the whole moderation thing. Since then the civility bar here has been raised several times. So, yeah. That said, I never had a bad interaction with the guy and mostly enjoyed his posts.
Looking over the thread, I see one unlabeled banned poster. So maybe there have been an partial and inadvertent amnesty already.