Why is it a problem if Uber drivers have to roll a 1D20 when they pick you up, and drive away laughing "owned!" every time they roll 1? They're a private compan

Why is it a problem if Uber drivers have to roll a 1D20 when they pick you up, and drive away laughing "owned!" every time they roll 1? They're a private company. It adds a little harmless fun and excitement. There's no law saying they have to have you as a passenger. Therefore, nobody should complain or get upset?