They're a public company and have to report financials. You can look at them and see that net margin on a ride is positive.
IIRC Uber lost $2B on the Chinese marketing simply because of subsidies.
uber pulled out of china in 2016 ...
its really weird to point to what uber did more than 7 years ago as non public company with no public reporting requirements, and try to use that to refute publicly reported numbers from today.