>"E.g. if a rider works 40 hours a week and uses ridesharing for 2 hours a week, for the driver to earn as much as them, they'd need to be spending 5% of their pretax income on the ridesharing, in addition to gas and car value, with a multiplier on top for ridesharing inefficiencies since drivers don't magically pick up new riders in the same time and spot that they drop off."

Could you elaborate on the math? How do the 40 hours vs 2 hours relate? Where does the 5% pretax income number come from? Genuinely curious.