As much as I really enjoy Never Sleep Again and His Name was Jason, I had to give it to Room 237, it's fascinating to watch and though some of the theories are a bit on the ridiculous side (Stanley Kubrick filmed the Apollo 11 mission... WHAT!?), the theories are told in a way that I almost found myself believing them especially from seeing evidence within the film. It's all up to interpretation, and a film as complex as The Shining, there are many ways to look at it.
Plus, The Shining is my favorite horror movie of all time. So that may have helped me decide