Prolly will be eventually on all platforms...I believe since most people have adapted to the new exo movements, they do not find it as bad as they thought it might be and therefore are not rushing to play the classic playlists without it.
Depedning on player opinion really, and seeing it is more of a divide of about 90% are more adapted to exo movements then you wont get many playing classic, and from owning various Call Of Duty games in the past my guess is the same for AW on that the player count is about a tenth of say the PS4's.