Uber's stated reason to block tipping. But really, it means passengers don't need to care about working out the tip, feeling bad if they don't leave one or don'

Uber's stated reason to block tipping. But really, it means passengers don't need to care about working out the tip, feeling bad if they don't leave one or don't leave enough, don't need to carry cash, etc etc. It lowers the friction of taking an uber and means more business.