It took hold in the 2010s with ZIRP and never went away.

What's changed is the whittling away at the number of people who benefited.

Illusory economic growth due to hype generation and financial engineering has never been real growth. Sam Altman and Zuckerberg's of tech haven't gotten the memo like all the tech workers themselves.

With the exception of biotech, the US economy has not produced anything new in decades.