It's the opposite! A universal tariff is a tariff on all inputs that manufacturers need to be competitive. How will Ford or Tesla ever be competitive if all their inputs are 24% more expensive than Toyota's inputs?
Autarky doesn't work. Juche doesn't work. Comparative advantage works, both theoretically and in practice if we study economic history.
Autarky doesn't work. Juche doesn't work. Comparative advantage works, both theoretically and in practice if we study economic history.