User blog comment:Kirkburn/Technical Update: July 5, 2017/@comment-24258073-20170706095652/@comment-24258073-20170706112610

Yeah, that's a big problem, since Chat Moderators previously couldn't kick or ban Administrators even with the help of JavaScript. And that all Chat Moderator groups can now unban themselves, so it makes it pointless to ban a misbehaving Chat Moderator without demoting them as well.