Deep down he knows that all he did was create a cleaner version of MySpace at the perfect moment. He's used that lottery ticket to acquire companies built by people smarter than he is, and he'll keep trying to tie their genuine innovation back to FB to soothe his fragile ego.
I would have said so too before his investments in VR. Instead of Google's pie in the sky moonshot projects, he picked a tech that was just out of reach and focused an enormous percent of the company on bringing it into the present. He will be hailed as a Jobsian genius if he actually pulls off the next general computing platform, but even if not, certainly caught my attention.