Last I looked at Uber's financials, 90-95% of their expenses was driver earnings. And then you have operating expenses that includes employees, promotions, r&d,

Last I looked at Uber's financials, 90-95% of their expenses was driver earnings. And then you have operating expenses that includes employees, promotions, r&d, regulatory fees, marketing, support, new investments etc. Uber's margin is probably under 5% which simply isn't enough.