[ghaff]

In many cases, I expect customers are getting subsidized by both VCs and by drivers who don't have a good handle on their costs.

[jmknoll]

Regarding drivers who don't have a good handle on their costs, almost definitely. Mr Money Mustache just did a piece on this recently.

https://www.mrmoneymustache.com/2017/11/22/mr-money-mustache...