It's a sad day when outright scams (e.g. most of the shitcoining stuff or HYIPs), uber-sketchy (e.g. centralized no-name exchanges), or possibly illegal (e.g. gambling) services can still be advertised but services with actual utility can't, because they could be "gray". Yes, I understand it's more complicated than that.
Well, it is what it is. What strikes me as very odd is the severity of the ban. It sounds like we can't mention any mixer names even in casual/news/discussion context. Like if next year I wanted to say that some xyzmixer is sketchy AF and should be avoided, looks like I can be banned under the new rules.