http://i.imgur.com/uwulRlm.png
Are they really?
Patch 8.0 zones (not Legion) in full production during WoD's content drought
Only 4 leveling zones in Legion
More difficulty sliders instead of more content
Average number of raid tiers (3)
WoW Developers moving to other games
14 month expansion wait
Fewer features maintained (e.g. Brawler's Guild)
I believe that they are putting more effort into Legion than they did for WoD, but don't you think that that statement is just a bit over the top? It is quite clear that not everything they have is being put into Legion (not even close) with many resources being diverted to other projects, and the volume of content being released with Legion is about as much as you'd expect from any normal expansion (and in fact less in some areas). Nothing over the top like you'd expect from this over the top statement.
I don't think this hyperbolic rhetoric is helping their cause. In fact I would argue that it is doing more harm than good. It is hard to take Blizzard seriously when this kind of language is used.