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.
When you experience a failure as a leader, don't hide it - talk about it. Your missed opportunity will encourage others to take risks.
It's really easy to get colors right. It's really hard to get black - and neutrals - right. Black is certainly a color but it's also an illusion.