The supermarkets I go to have greatly reduced their cashiers. In most cases by at least half, especially in small shops (3 cashiers has become 2-3 machines and one human).

As for bakers, they don't just make bread and cake.

Excellent video on the subject: CGPGrey - Humans Need Not Apply: https://www.youtube.com/watch?v=7Pq-S557XQU