I already did, you’re just too dense to have understood it. But I’ll repeat it for the benefit of others.
If this was a case of automation and other efficiencies displacing workers the plants would still be in the USA but simply with fewer workers. That isn’t the case, what has been happening is the relocation of plants outside of the US to take advantage of global labor arbitrage. It is a case of absolute advantage rather than comparative advantage.
Free Traitors™ hardly ever answer direct questions.
You still haven’t addressed the fact that 87 percent of US manufacturing job losses this century have resulted from productivity improvements, not from plants moving to foreign countries.