Interesting take, but there's observably less rent seeking in the USA today than there was say 70 years ago. Tariffs are much lower, global competition is fierce, and believe it or not, politics is much more transparent (though not as transparent as it ought to be)

In addition, this article is talking about

1) a global phenomena, not just an American one.

2) a shortage of originality beyond just business. In particular, he points out academic research and institutional education and government programs.