Maybe because a projected $41 Million for something the producers say is “faithful to the Bible” - but is totally against the Bible - is way too much money to put into Atheists hands.
Box Office: ‘Noah’ Winning Over Faith-Based and Mainstream Moviegoers
http://www.freerepublic.com/focus/f-news/3138788/posts
And all a person had to do was view the trailer to see this was a lie. Pretty simple. This whole thing just gins up more box office traffic and curiosity. The more people scream about it the more money the atheist makes. Worked for Madonna and Miley - why not this movie?