You voted for a guy who said he'd be a dictator. Now he's a dictator doing dictator things. His not doing dictator things would be surprising, not this.
The alone part is the intention. The fact that we don't have the industrial capacity to replace all those imports doesn't seem to have been taken into account. It's going to get ugly.
He seems to think that doing this will force manufacturers to build in the US, versus the Biden approach of incentivizing them to do that. What he doesn't realize this will do is raise chips prices and manufacturers will simply pass that cost onto consumers.
He has absolute power unless someone steps up and says no. Regardless of its legality (hint: this is illegal), it will happen if Congress or SCOTUS does nothing to stop it.
MS: Why won’t people upgrade from Windows 10?