@ Pateu, Actually you might not be correct on that.
I, for example, was really excited for vanilla. Writing this 20-page document for the last week or two since Blizzcon only made me want to play it more and more.
Then, just yesterday, I watched the videos of what the actual raid gameplay was like, and I was thinking...OMG I forgot just how slow and boring the encounters were. Warlocks and mages literally just spam one button. There is no way in hell I am going to farm dreamfoil for hours to go stand in a raid to press one button.
I didn't spend twenty+ hours writing this document because I didn't love vanilla. But if all the personal hype I generated for myself doing research came crashing down after watching one video of gameplay, there are probably many, many players that also THINK they want vanilla but forgot what it was actually like.
(And I'm not knocking people that do enjoy classic; more power to them. But I think they represent a tiny, tiny portion of the modern player base.)