If manufacturing is to return to the USA, it will be as fully automated as technically possible. So forget about jobs, there won't remotely be as many as needed to "reboot the working class"
It's to make you chose Californian wine over French one, so to speak. Whether you are in the US or elsewhere.
If technological advancement is going to kill the working class, this might slightly accelerate that development but it does not change it one way or the other.