Good review
I think that showing the crucifiction in it's entirety is the point of the film. The "passion" of Christ. What he had to go through... ect. I think alot of times we tend to romanticize what went on and make it out to be a glorious occation.(which it is).. but this film shows exactly was involved in the process. I haven't had a chance to see it yet, but I've heard from people basically what you said.