Pretty much, it will only look great for the next incumbent president to remove the tariffs that were put in place immediately.

And realistically even if major companies moved their businesses to the US, they would still need to pay US prices for the goods and people that would make them. I am sure someone has done a simple cost analysis, but prices would be higher regardless as it costs more to make the stuff in the US.

Although a 3090 is still a kickass GPU, it should still play new AA games for a long time (someone with a 3080).