"nobody would be doing it if it wasn't profitable" Not necessarily true. Some drivers might not be figuring in the costs of depreciation and maintenance, whic

"nobody would be doing it if it wasn't profitable" Not necessarily true. Some drivers might not be figuring in the costs of depreciation and maintenance, which are the biggest expenses of owning a car, and so might not even realize they're losing money in the balance. Not everybody's good at math, accounting, or business.