He's literally citing wowprogress as a reliable source of numbers no longer given, in the face of an official source citing stable MAUs.
There's no helping that. Funny how some think that in order to be critical of a game, one also has to abandon any sense for factual representation of reality.
I don't like SL, I've voted with my wallet and will do so again, but you won't find me out here trying to make it seem worse performance-wise than it is if the official records don't support such claims. That's called lying. "Addict" indeed, one is...
It's probably "WOW is dying"-territory now so that's all I'll say further on it.