The fact that rates today have reached zero means that the day of reckoning is quickly approaching, because monetary policy has reached the practical limits of what it can do.
Thus, the multi-decade credit era is coming to an end.

Credit-based consumption is unsustainable.
Destructive behavior occurs when the price of money is set too low.
Investment in the future is too low.
The Fed has basically borrowed from the future to improve today.
This damaging circumstance is a direct result of rates being held too low, allowing for the inefficient use of capital.
Today’s consumption and market speculation was paid for with huge amounts of accumulated debt.