Obscure benefits of trade tariffs.
Tariffs incentivise exporting countries to improve internal productivity to potentially offset the tariff. Side effect is that their economy improves, and their currency becomes stronger and has greater international buying power.
Presents an opportunity for an exporting country to find new trade with other countries also impacted, cutting the USA out of the equation and leaving them more isolationalist to make their own stuff internally.
Prices of USA exported goods will increase in cost due to the inflated cost of imported components, thus creating new trade opportunities on price differential.
Trump is doing what he believes is best for the USA, but the world should see this as an opportunity, not a problem. There will be some grief while it all settles down, but by and large, this is a wake up and smell the coffee moment for the entire world.