Earlier quoted context omitted.
You think the US is less industrially capable than in 1980? that... seems unlikely. Sure, we import and export a lot more of our stuff now than we did then, but that's because we live a lot better when we trade (and because the technology of trade has improved vastly.) Once you lose a capability it’s gone forever. That is why countries cling desperately to domestic steel, shipbuilding, arms and other industries. Once…
Well, you can bring it back with a major expenses. The problem is competition against vertical semi-integration which is present in China. (Multiple companies but same place - cheap transport and high availability plus widespread knowledge.) The remaining industries are also integrated or partially integrated.
A decade or two passes and rebooting your widget industry will be an order of magnitude harder than it was to start in the first place.