Counterpoint: Auto-cashiers have been in existence for a decade, and some chains have decided to replace at least some self-service stations with human clerks:

Counterpoint: Auto-cashiers have been in existence for a decade, and some chains have decided to replace at least some self-service stations with human clerks: http://www.outsidethebeltway.com/supermarket-self-checkouts-being-replaced-with-people/ http://www.outsidethebeltway.com/supermarket-self-checkouts-...