>> I.e. "unskilled labor" is not about the worker but about the company

That part really stood out to me.

While a lot of us can agree that barista is an unskilled job, I heard people call barmen labor a skilled labor. Which is crazy, because it's essentially the same job (mix stuff up and serve in a cup). But it makes sense if "unskilled labor" is a function of an employer not an employee