> Autoworkers allowed the Japanese to take a huge chunk of the market

Except Japanese employees were more productive in the 70s and built a reputation for well priced quality. Now Japanese cars are made in the US.

> Metalworkers have all but been eliminated. That business is now in Asia and Russia

Counterpoint. Arc furnaces are more versatile, cheaper, and efficient than large blast furnaces and the demand for structural steel has diminished due to suburbanization. There's still significant metallurgy in the US is just smaller scale.