The accompanying article from Pro Publica about Lighthizer's term at USTR shows the lack of results as China shifted production to Mexico and Vietnam - it shows it was going to be a long struggle, carried over into another 4 DJT years this time in 2025. That article showed tariffs are really not so much a weapon against other countries as they are a way to signal to America's corporations to invest in supply chains in the US. In Congressional hearings towards the end of his term at USTR in 2020 Lighthizer said -
“They have a system, and their system is challenging our system.” Lighthizer told Senators that the U.S. struggle with China is “going to go on for years.”