This poster is arguing from the Labor Theory of Value. You can read about this here: https://en.wikipedia.org/wiki/Labor_theory_of_value https://en.wikipedia.or

This poster is arguing from the Labor Theory of Value. You can read about this here: https://en.wikipedia.org/wiki/Labor_theory_of_value https://en.wikipedia.org/wiki/Labor_theory_of_value, including many criticisms. In my opinion the Labor Theory of Value is a tautology.