- You don't allow the US to import skilled workers anymore, and rather than hire locally from a non-existent labor pool they simply move the jobs abroad. What's worse, hiring someone from India on an H1B to work in your AI lab, or moving your AI lab to India?
- You don't allow importing unskilled workers and expect farmers to pay $30/hour to have Americans pick apples. Or maybe...they'll just figure out how to automate those jobs or go out of business since no one wants to pay $5 for an apple.