Theranos had promises of "blue ocean". No competition. This attracted investors like moths to a flame. (We now know they had no competitors because their technology was a fraud.) The investors would have been better off investing in a boring factory making generic aspirin ("red oceans of bloody competition").

Uber should be a case study that burning up billions in investor money (billions wasted on trying to underprice Didi in China) was a colossal mistake. How much of that bad strategy is blamed on Travis's vs investors is something we won't know until a tell-all book comes out.