I've been very busy lately, so I haven't been able to reply to your question right away but I have seen it.
No it's not a ruse, his account is banned. Depending on the type of Infraction used sometimes they keep the same username color even after they've been banned. Petey's posts here cover what led to the ban
https://forums.sherdog.com/posts/152871719/
As for other posters breaking the rules in other sections, if a post isn't reported then it most likely won't be seen by a Mod, that's just the way it is. There's just too many different sub forums to keep track of along with only a few active Mods. Yes, the last post you reported was deleted.
I liked RR a lot but there's really
nothing any of us on the forum side can do at this point. Regardless, he's already said to Staff members off site that he has no interest in Sherdog anymore.