Not because they care about the rest of the world, they care about their own domestic market/sales though.

They successfully re-invented half of modern consumer tech inside China already, the the US closes a market, it hurts them for a few years then they close that gap.

For decades it's been "Yeah they closed the Gap on X but we have Y" then "Yeah they closed the gap on Y but we have Z" and Z starts to look pretty uncertain.

At a certain point you have to realise that with enough capital and people you can do the things that the other people with enough capital and people are doing, there isn't really any secret special "America has to be the tech leader" sauce, there wasn't when the British where the world leaders or when the Italians where or the Middle East and back through history.

Exceptionalism eventually kills your lead.