In spite of its title, the OP spent most of his words lamenting "outsourcing" and the loss of USA based production and manufacturing. So I'll address this topic by asking all to remember the
oil/gasoline price spike that occurred in 2012. That spurred fresh efforts by
oil companies to find and develop new
oil sources to take advantage of the high prices. They were successful. Oil supplies increased and prices dropped. That's the way things are supposed to work in a relatively free market economy. . . . Like it or not, we live in a world economy where a manufacturer in Pennsylvania must compete with one in Viet Nam. Customers vote with their dollars and most are far more concerned with saving a few bucks than the welfare of workers in another state or another country, or the potential impact the loss of control of local production will have in the future. The sad news is that the vast majority of people are far more concerned about what might happen today than what might happen a year from now. The good news is that in a relatively free market economy, if outsourcing does create economic problems someone will come forward to fill that need as they did when oil prices spiked.
Specialty car makers will continue to come and go as supply, demand and technology continue to change. I doubt anything I or anyone else has written here will change that even a little bit.