I'm not sure what exactly the rules are myself, but Kitsu did in fact give justification and evidence for the infraction. The fact of the matter is that Kitsu did the right thing, end of story. This is the reason the moderators here are so pathetic. Any time an infraction takes place and...
Kitsu did give Dark Master a warning regarding the purple text, but otherwise I think we are beyond warnings with him. This has been going on for a long time, and he has a mountain of infractions. It is clear that warnings are not enough to stop him from breaking the rules. Kitsu did his job...
Dark Master has become more and more active as of late, and I have firsthand experience that he in fact has not changed his ways, in fact he continues to troll members and disobey the rules. Now you have a witness to this.