Everything in the room I'm standing in right now can also be made elsewhere just as cheap and just as fast.

That's just straight up wrong.

Supply chains and distribution channels alone require a ton of logistics to set up and maintain. And then there's an overabundance of cheap labor and a whole ton of other factors you haven't accounted for.

Please list five Chinese inventions made in the last 20 years.

Sure.

China doesn't just have the fastest supercomputer on the planet... it dominates the list of the top 500.

And these aren't just computers made with American parts. Every chip, every processor, every interconnect... every single component is home-grown Chinese. With greater processing power than anything Intel or Nvidia have ever created.

And then of course, in the last 3 years, China has become the world's largest producer of photovoltaic power, expanding production of its own solar cells 100-fold.

We can also look at advances in wind power, solar power, space exploration (which certainly isn't on-par with the US yet, but - by any account - they are catching up remarkably fast), and many other areas.