Topic: Shockingly, Spielberg didn't like Crystal Skull's story either
http://www.avclub.com/articles/steven-s … uca,64073/
Turns out, Spielberg didn't like a lot of aspects of Crystal Skull's story. But he kept with it because Lucas was his buddy. Even though he didn't believe in the story, he made the movie to make George happy.
What a nice guy.