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.
Brave people are the firemen who run into the burning building. That's brave.
Glory is a heavy burden, a murdering poison, and to bear it is an art. And to have that art is rare.