It’s ok we will get cheap chips from Taiwan without having to invest a single dime once the bubble bursts.
We will keep working on philosophy, theory and arts. Let the rest of the world get their hands dirty building things.
In thermodynamics, through cycles of expansion and compression, useful work can be extracted. Similarly through economic cycles, America is able to extract wealth from rest of globe.
Philosophy, theory, and arts are so intertwined with technology that a nation which does not build cannot be expected to remain at the forefront of those three.