Hotz seems to be falling into the familiar pattern of those who gain fame at a younger age for doing something impressive to a wide audience - as they get ever older, they feel the need to recapture that feeling, and jump from trend to trend, trying to stay relevant.

He's clearly an intelligent man, but he should try to understand that he no longer needs to prove himself, or outdo his previous famous achievements. It will be a crack to the ego, but a healthy one, in the long run.