I can assure you that I am not knocking the quallity of the movie. I'm sure it's a very well made movie in terms of directing, plot and writing. My qualm is the subject matter. As I said, I am a Catholic. I don't believe in every story in The Bible, but I do believe in Jesus's existence very strongly and value many of his teachings, and to see him brutalized in such a fashion is too disturbing for me to view.
Obviously, you're probably not a Catholic, so you might have an easier time watching this movie. However, I myself haven't been able to bring myself to view it, for reasons I've stated. If I want to see Jesus's crucifixtion onscreen, I'll watch Ben-Hur, which gives totally nonviolent but far more compelling and moving depiction of it.