Right, it seems likely to be disruptive in the short term, and there would be skill shortages and big holes in the domestic supply chain. I mean more abstractly/directionally. It does seem like it’d be best if it was phased in predictably over a longer period of time, but doesn’t seem like that’s the plan.
Elon at least seems to be against sudden implementation of tariffs, he wants them phased in in a predictable over time, he talks about exactly this near the end of his JRE interview: https://youtu.be/7qZl_5xHoBw?si=0XNnSP8psUtXLK2K&t=8426
They also talk about the problems of losing competitive pressure from protectionist systems.
