Has he though? No one who bought Uber for $70bn right now would ever get their money back, despite that being it's 'value' (I know, I must be new here). This is all just fantastical and silly, a constant game of persuading investors to play along. Unless there is some great master plan for pivoting into a business that's actually feasible as a business, he's no more a great CEO than the Wizard of Oz or Bernie Madoff.