But the buses wouldn't need windscreens or wipers or chairs or steering wheels or pedals or payment/coin handling, and the drivers wouldn't need uniforms or eye

But the buses wouldn't need windscreens or wipers or chairs or steering wheels or pedals or payment/coin handling, and the drivers wouldn't need uniforms or eye tests or retraining on routes or overtime or time and a half for holidays. Bus companies won't have to insure the busses for human drivers. So, yes savings. Nyah on your "unions defending humans against exploitation are the worst thing ever" narrative.