I think it’s work that does the work, a tautology, I think using money as a proxy for work is a convenient hop and skip. When it comes down to a rigorous analysis (of the kind say a climate scientist does in a life-cycle assessment money is to vague a reason. What does it represent? Some amount of gold? Well, the US dollar is no longer pegged to gold à la Bretton Woods, how then does ‘money talk’?