I would say that there is at least two type of human labor: humans pretending to be machines and value added labor e.g. R&D/IP generation. Labor that generates

I would say that there is at least two type of human labor: humans pretending to be machines and value added labor e.g. R&D/IP generation. Labor that generates IP and new products should not be viewed as a pure expense because there is a return to that expense. Humans have better things to do than pretend to be machines.