What Milton was talking about was taxing an existing product which causes a raise in the price. For example a gallon of gas is a dollar but when government taxes the gas, the price goes up and that increase never goes away. Before tax increase gas can be 1.00 as per supply and demand. With a gas tax of fifty cents the prices becomes 1.50 and not because of the Laws of Supply and Demand.
Useful Idiots don't realize that 99.9% of the MAGA/Right Wing Nazi Protestors are plants of some kind originating from either Deep State or organization like SPLC.