The US is at least 40 years removed from any kind of real electronics manufacturing at scale.
This kind of thing takes generational knowledge to get right and we outsourced that knowledge a long time ago.
We are now several generations from being able to manufacture electronics on the level.
Either trump has no idea how anything works or he’s actively trying to destroy the American economy.
He can obviously do whatever the fuck he wants. This unfortunately isn’t even a reasonable question to be asking at this point.