At that point in the link they're going over counter-arguments to the standard line. Anyhow, I agree marginal utility is well understood by economists, just di

At that point in the link they're going over counter-arguments to the standard line. Anyhow, I agree marginal utility is well understood by economists, just disagree that that is the standard way dollars themselves are viewed in classic economic theory. And perhaps I over-reached when I built my straw economist.