I think that's because they are to enthusiastic making that movie and the big companies are way to eager to turn every movie into a cash cow, so they can milk it for cash with merchandise and stuff. As long as there is money to be made, they don't care if the movie sucks.
And this is taken from the Internet:"On July 22, 2008, IF Magazine published an article on its website regarding a rumor of a live-action Cowboy Bebop movie in development by 20th Century Fox. Producer Erwin Stoff said that the film's development was in the early stages, and that they had "just signed it". Keanu Reeves has been confirmed as playing the role of Spike Spiegel. Variety confirmed on January 15, 2009, that the production company Sunrise will be "closely involved with the development of the English language project." The site also confirmed Kenji Uchida, Shinichiro Watanabe, and series writer Keiko Nobumoto as associate producers, series producer Masahiko Minami as a production consultant, and Peter Craig as screenwriter. It is currently slated for release in 2011."
Aye, let us hope that since the original creator of CB is involved in this project, that it won't be bad.
"Vae Victis" - Brennus, after explaining to the Romans that they better pay up, fixed weights or not, or else...