Why tariffs kill the entire supply chain, shooting your own self on the foot

As China has shown with their rare earth exports, by controlling demand and supply of it’s domestic and international markets, restricting supply to international markets will automatically jack up prices until your competition cannot compete with you, it is pure stupidity to use tariffs which will kill your entire supply chain, and shoot yourself in the foot, and you will take a long time to recover from your mistake. Contributed by Oogle.