Off shoring is the result of the lack of free trade, so your premise is bogus, ergo your conclusion is flawed. If Trade is actually free and both parties are treated theby the same standard at both ends, then off shoring is not necessary.
Bottom line, almost no consumer electronics are made in the USA. Completely gutted.
I know most of the people working factory jobs retrained in nuclear physics, became doctors or started multi-million dollar businesses so it all worked out for the good.