Well maybe because they have jobs. A factory produces more than just jobs in the factory. It creates a community and more jobs on top of jobs.
There are only three ways to create wealth; mine it, make it or grow it. We are throwing "make it" out the window....
Importing goods and putting them on the shelf does not create wealth.
Sounds like a great reason to cut regulations and taxes on factories. 10% sounds like plenty. 0% would be better.
Yet we continue to manufacture and export more than ever. Your emotions don't trump economic reality even though you feel like they do.