You realize that when it comes to data that is released periodically that "current" means whatever the last release was? Until there is more information released, that is the only data that can be discussed factually.
Unless you have some insider information about what subscription values are at any given moment, your opinion about what subs are or are not doing is irrelevant to this discussion. Since you seem so dead set on being right:
Prove that MoP has had less subscribers than vanilla. I'll wait.