Manufacturing output in the US has more than doubled in the last 3 decades, but the number of jobs in the sector has shrunk from 17.5M to 12.4M [1]
The main reason for this is automation.
I think the right question to ask is how to make the productivity from automation benefit more the workers?
[1] https://www.pewresearch.org/fact-tank/2017/07/25/most-americ...