I was discussing this with a driver who drives for both Lyft and Uber. His basic stance was that tipping was a difference in kind for tipping, rather than amoun

I was discussing this with a driver who drives for both Lyft and Uber. His basic stance was that tipping was a difference in kind for tipping, rather than amount, so the living wage argument may not hold. Uber tips tend to be in cash, which is appealing, and may be larger because drunks just hand over twenties, but are rarer, while Lyft tips are more reliable.