What he proposes is that we have become so precise about nutrients, and so concerned about the things that are in food, we've lost sense of what food is.
If you simply saved money after 1971, you stood to get killed as the dollar lost value against things it was supposed to be able to procure in the future.
Holding his money up high, he berated what he saw as the absurdity of lost value by listing all of thethings that could be done with the money saved by eliminating that system.