It doesn’t mean Gettlefinger’s workers have a right to $28/hour if at that wage their employers can’t stay in business without an ongoing multi-billion dollar subsidy. I’m sorry if this seems obvious. It’s apparently not obvious enough.
It’s not obvious to most on the Left. One of the basic tenets of Marxism is that labor has intrinsic value that precedes and is separate from the value of management and investing. Most leftists, even those who are not Marxist, have absorbed this concept of the value of labor.
In reality, the circumstances are the exact opposite. It is the skill and judgment of managers and investors that creates the value of labor. If you don’t own your own company or freelance, you rely on someone else to choose what work you do and how you do it. Their decisions create the value of the products and services you make. When they make mistakes, the value of your labor decreases and you should charge less for it.