With respect to the second point about hugely wealthy foreign investors parking cash in Uber-like companies, consider that the risk profile of a highly visible

With respect to the second point about hugely wealthy foreign investors parking cash in Uber-like companies, consider that the risk profile of a highly visible company like Uber with very high-volume cash flow, unprofitable though they may be, can often be much lower than the risk profile of keeping the money in the source nation's domestic vehicles. See also: foreign money parked in absurd condos in NYC.