For the most part, the American film market has become very corporatised, even independent film to a degree, and because of the corporate management mentality, they want to take the safe way.
Some of those drawn into the holy war had been secular nationalists only a few years before. If one looks at the biographies of these people, remarkable continuities are revealed.
They can certainly expect to be very impressed with the technical aspects of the show, fooled and led up the garden path by the story and ultimately have a jolly good laugh!