Earlier quoted context omitted.
The economic picture of what will happen is instead of being an American engineer designing widgets made in China, some fraction of you are now decimated to be an American widget maker of items engineered in China. Tarriff is essentially just a handicap to comparitive advantage in trade, trading out jobs where you had the advantage. It is one of the most baffling thing I have seen our government do in our lifetime.
I don't know that the prior situation was sustainable and would have lasted much longer anyway. Using China for manufacturing is like using Amazon for sales. You are required to give them everything they need to take your business away.
If if comes to pass that the 21st century is a Chinese one, it will be this long con that launched the whole thing: "We'll manufacture anything you want real cheap, just show us how to do it."
The U.S. outsourcing it's manufacturing to China is likely to go down as one of the biggest economic and political self-owns of the modern era.