This article just kind of assumes the reader should prefer US firms succeed in making these magnets over Chinese firms. I'm not sure why I should prefer that if China do it cheaper and better. Some nationalistic readers or those concerned about US national security and supply chains might care. Or maybe the US should just maintain better trade relations, and vote to do so.
It's definitely rewriting of history / priorities based on the current political climate.
30 years ago the opposite was celebrated as the saviour of American capitalism (by short term thinking people who are probably billionaires now, and therefore, as individuals, insulated against any of the '30 years later' repercussions).
The US is going to need to naturalise all of its illegal immigrants to have a chance at ramping up local manufacturing.