It's not complicated. Uber charges more, so drivers are happy. If you offerd a cabbie a big tip, he would happily accept credit. Uber gives the benefit of pre-s

It's not complicated. Uber charges more, so drivers are happy. If you offerd a cabbie a big tip, he would happily accept credit. Uber gives the benefit of pre-setting the higher rate without negotiating. But many people prefer to pay less.