Even hundreds of vocal fans on Tumblr and Blogger is still a small segment of fandom. There just isn't any massive grassroot movement, or really, any kind of momentum towards including a classic Doctor in the 50th anniversary special.
Wow, you've got your head in the sand I see!
We may very well end up with a great story without classic Doctors, that's what I'm hoping for. But, there are many who do want a classic Doctor in the story.
Mr Awe
Sure, there's alot of folks who would have liked to see Classic Doctors (I'm also one, in fact I would've liked to see a whole Series or Half Series with Classic Guest stars in each episode, building up to a massive Anniversary Special Cumination), but, the folks "insulted" by the lack of Classic Doctors or saying it'll suck or have their mind set on hating it is indeed small