Visual storytelling of one kind or another has been around since cavemen were drawing on the walls.
Directors have to push me. I have to be pushed up. Not all the time, but often.
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.