For one, issuing and control of cash in our society a sovereign function.
Well if anyone still doesn't understand that we are all slaves as long as we live under a state rule, here's your proof.
He basically said: "How dare you, mundane, come up with such a preposterous idea of issuing your own money. Don't you know this sort of right is reserved only for your kings overlords and masters?! Now be a good slave and quit this nonsense or else!"