Facebook stock is up 6x in ~3 years, so the market does not agree with your assessment of his track record.
Some people in tech want companies to innovate and take risks by spending on R&D instead of just funneling it back to investors or safer existing markets, others will complain that they took those risks and failed despite still running profitable businesses.
Astonishingly. I just find it funny that one person can be responsible for wasting hundreds of millions of dollars and still keep their job.
And in the last 4.5y it's up 70% while the S&P500 is up 51% in the same time period, not quite as exciting eh?