Why not tell people why Patreon banned you before? That seems quite odd. Especially when you link an article to explain what you are doing now after canceling a prior project.
since they said no one guessed the reason and it's something even they weren't aware of it'd be good to clarify if for nothing else than to give a heads up to other people that might end up in the same situation. only real reason I can think to keep it private is if Patreon told them to...