What matters is the aggregate amount over multiple trips. If you underpay on some trips and overpay on others and it is a net wash, then it doesn't really matter for the couriers if the payment algorithm is on the low side on some trips so long as it is on the high side on other trips. Under or overpaying on trips is more of an interest to those engineers trying to optimize marketplace efficiency. Meal delivery busin…
The interview seems to indicate it's an aggregate underpayment across all trips. The tool is available for examination if you are truly skeptical.
edit: also, you seem to have made your account just to comment on this thread. what's up?