Employees manning cash registers often also have other tasks they can do instead of operating the register for you - for instance fast food workers also make the food, and clothes workers stand there looking fashionable and tell you how good you look.
These are often things we'd all rather they be doing, in fact. Which is why McDonald's is still popular in Australia when the national minimum wage is ~20USD/hour and they have automated ordering stations.
These are often things we'd all rather they be doing, in fact. Which is why McDonald's is still popular in Australia when the national minimum wage is ~20USD/hour and they have automated ordering stations.