Why? I thought it was interesting.
Not to mention, this will murder any mobile device or weaker laptops.
Cool piece of marketing, but ultimately if the goal is to deliver a cool experience to as many people as possible, this implementation may not be ideal.
If the experience isn't cool, then it's not going to reach many people. I figured people would talk about usability despite the fact that it's a marketing page.
As I mentioned above, our internet speeds are crazy fast. I downloaded the whole thing in about 3 seconds on my home internet, 10 on my 3g ipad.
The only issue with the ipad was that you couldn't flick and have it just scroll down.