Because he was Uber busy.
Because every time he puts up a prayer it gets answered. (I thought of this myself, but it is so corny, it could easily be in every damn joke book.)
Occasionally (OK Asian Lee).
He had a ruff week.. His life wasn't purrfect. His brother was a shellout. His mother's been a real crab lately. His family was really shellfish. He had no porpoise in life.
Mini-Mum
They're both there to be violated. (The sad part is that a Portuguese Taxi Driver actually said that seriously in a protest against Uber)
Immigrants
Because he had a fare.
Because he had nothing to chauffeur.