Literally, no.
The whole design of the token system makes it pretty much impossible for more than about 10% of the playerbase to pay for their game time using tokens. "Easy gold" doesn't make the slightest difference to the equation.
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Simple explanation: WoW is an old game. Its core subscriber base is made up of people who have been playing for many years and most of the people who are likely to play the game either have played it and moved on, or are still playing it. The prospects of pulling in new players is slim, regardless of the marketting budget or the quality of the expansion.
This is why their marketting is directed at those of us who play the game. We all know the expansion is coming and what it's about, and most of us already have our pre-orders in place.