that credit card system being broken is so they can work off the books.Don’t know about the US, but here in Oz the cars have to be less than ten years old and less than 100000km. Most of cars I’ve booked have been Korean mod sized SUVs, often new and financed specifically for Uber work.
The qualification for Sydney’s taxi fleet appears to be “more than ten years old and no less than 500000km”. They’re often sheds with vinyl seats and floors so that bogan puke can we washed out. Often the card payment systems doesn’t work. These are being replaced by Prius and Camry hybrids which lose the advantage of size.