Right, unless you're stashing currency into your mattress or burying gold bars in the yard, your money hasn't gone anywhere. It's in the bank, which is the lending it out to those who have a a better user for it.
Hoarding is a an invented scary word for saving. Saving is the underpinning of all investment, and investment is the key to productivity gains. Productivity gains are the key to increased living standards.
To then turn that upside down and say that saving makes things worse is only possible by using the word 'hoarding' as it conjures images of a fleeing deposed lord burying the family treasure in a field.
In reality, returning economies to health requires a stable or increasing rate of savings.