I think this thesis is completely broken.

All of US manufacturing went to China because labor was cheaper.

You can't build things when you don't have a robust manufacturing base

We wanted flying cars, instead we got 140 characters

I think pretty much everything worth building that could be built and was feasible to build has now been built. There are no more big projects left to conquer, barring some massive advances in material science.

The wealthy also stopped paying taxes so...what does this rich guy want exactly?