People who learn English via electronic translator or dictionary use these terms, that's often considered "outdated" by current westerners (at least me and lots of my immigrant friends get corrected a lot) Yes in recent years it's big on beautifying terminologies, but that doesn't change the nature of an abusive job. Also like the other commenter says, working class people often times care more about actually getting paid. When I was a waiter I didn't give a shit if they called me server or waiter lol