Most “unskilled labor” is heavily skill dependant. You wouldn’t want a chef, builder or plumber who didn’t know what they were doing. And for production: machinists, mechanics and foremen make or break profit with their skills.
So what’s a better name for these jobs?
Yeah I’m confident I could learn to run a cash register pretty dang well in less than a month. No way I’m learning plumbing that quick. Also, I’m confident I could teach myself to run a cash register. If I tried to teach myself plumbing (like, no books, internet, etc) I’d be at pretty high risk of a literal shotshow