How much would you pay to avoid a second Depression?
September and October of 2008 was the worst financial crisis in global history, including the Great Depression,
If you want to understand geology, study earthquakes. If you want to understand the economy, study the Depression.
Importantly, in the 1930s, in the Great Depression, the Federal Reserve, despite its mandate, was quite passive and, as a result, financial crisis became very severe, lasted essentially from 1929 to 1933.