There's a different seller who currently has gobs of fake chinas listed. He was cited in recent Marble ID as something who "usually does pretty well with ID’s". His fake chinas were brought up on facebook yesterday and he seems very upset about the negative attention. I'm not naming names because since he has a pretty good rep, maybe he really doesn't know, and maybe he will educate himself, and maybe he'll take the criticism to heart about how the fakes are making his legit listings look a bit less appealing.
If this other guy is brought up in a month or so and he still has them, I'll be on board with saying that he knows exactly what he is doing because he is most definitely on notice.