Let them. The US already doesn't manufacture nearly at the capacity it once did for this same reason. The US can implement trade policy to either disincentive p

Let them. The US already doesn't manufacture nearly at the capacity it once did for this same reason. The US can implement trade policy to either disincentive producers from leaving or incentivize manufacturers to stay if they really have to. The specific solutions to that are probably outside both our realms of expertise. Profits are not people, so why do we care about the bottom line more than fellow human beings?