Why are those people at AintItCool and other movie fan sites always trying to spoil it for others? Every little tidbit gets a news article. And if a script is leaked, AICN is usually the first to "review" it. And lotsa people read all that stuff, together with all the trailers and behind the scenes and featurettes and 5 minute online movie clips, and then, when the movie is released, complain how dull it was (since they already knew everything anyway). Why? Where's the fun in that?
Don't agree with your assertion that all of the people who feast off every information morsel are the same people complaining about how it was dull.
In fact, the hardcore information scroungers tend to be the most devoted fans and love the movie the most.