Earlier quoted context omitted.
UBER masks this real number across many of their general line items. EG they put ~$300,000,000 of the "Driver Incentive" cost into "Cost of Revenue" line item that represents: - "Any amount paid to a driver that exceeds the revenue earned by that driver (for instance, if a driver’s earnings from a trip exceed the fare for that trip). Excess driver incentives jumped by about $300 million in 2018 from the previous year…
I am not a shareholder, but I think market share is the short term goal. The incentives can be phased out as prices increase a bit after competition cools off.
These retention numbers, for any business that needs returning customers or service providers pretty much make or break all the customer/provider acquisition economics.