There may be certain messages in the movie that would "alienate" American audiences, hence the distribution issues in the U.S. I was an extra for the...
"The people who criticized lack of focus on Batman were missing the point of the character of Batman. This guy wants to remain as hidden as possible, and in the shadows as possible, and unrevealing about himself as possible, so all of those things - you know, he’s not gonna eat up screen time by these big speeches and doing dancing around the Batcave"