People might ask the same question about gold, but after hundreds of years, it's still here as a scarce asset with speculative value.
In any case, the fact that fiat money has not been able to prevent the business cycle from creating devastating crises would seem to imply otherwise.
No. It is almost as if the two situations are not related.
Some nice graphs from Ray Dalio that show it plotted out for various currencies throughout history if you scroll down: https://www.principles.com/the-changing-world-order/#chapter...