I think it's a little simplistic to explain a work through the psychology of its author. In other words, that Haneke has emotional problems, so I don't have to take his films seriously. By using this argument, the viewer retreats from the challenges of the film.
“There is a strange sort of reasoning in Hollywood that musicals are less worthy of Academy consideration than dramas. It's a form of snobbism, the same sort that perpetuates the idea that drama is more deserving of Awards than comedy.”