Forgive me if I say this sounds awfully like the "new paradigm" / "this time it's different!" phase of a bubble.
[1] https://scholar.princeton.edu/sites/default/files/ernestliu/...
[2] https://research.stlouisfed.org/publications/economic-synops...
[3] https://web.archive.org/web/20200629061702/https://larrysumm...
https://www.linkedin.com/pulse/big-cycles-over-last-500-year...
In other words, we have to actually look at the evidence.