It's their loss and US consumers' gain. Why is everyone so quick to assume that anything that benefits exporters is the what we must pursue?
Thats your theory at least. At some point, you don't need any more cheap shit from Amazon, but you need a decent job. As a top 5%er or whatever, surely cheaper is better for you... But prob not your lower middle class neighbor who has to compete more globally in the low skill labor market, where other countries are protecting their people in that regard
A tariff on "cheap shit from Amazon" is a heavily regressive tax, and acts to reduce total delivered value. Whereas taxing the well-off to pay for education and encourage investment increases total delivered value.