If your answer in recessions is "you should have saved more!" you fundamentally misunderstand the nature of recessions. Tbf, this error is also committed by folks on the left
If you want to earn more than you spend, you need someone else in the economy to correspondingly spend more than it earns.
Every dollar of surplus must find its source from a dollar of deficit (and vice versa)
While the Fed doesn't say this explicitly, its method for toggling with interest rates flows through the purchase/sale of US Treasury debt.
We can't all save more. This is ALWAYS true. We couldn't have prepared for this shock by "all of us saving more".
Someone has to run deficits. The Federal Govt is usually in the best position
Fine. But then you need to run even bigger Federal govt deficits to make that even remotely realistic.
In periods of high risk-aversion and a shortage of income, businesses and households rationally want to save more. There are two ways to resolve this...
But this only destroys even more income in the economy (and tax revenue ultimately)
Building rainy-day funds might have some usefulness, but they require running big Federal govt deficits even in the good times.
Fighting this recession requires big deficits NOW
It is an indictment of the economics discipline that mainstream macroeconomic theories fail to capture Keynes' most important insights.
Even worse that intro econ students do not come away with a coherent framework for understanding paradox of thrift