Thanks for posting the link Balance. Unfortunately I couldn't access it to find out why the Fed went nuclear with QE Infinity but another site says:
Now, the Fed went totally berserk just within one week from the QE1! It means two things.
First, the previous measures turned out to be ineffective. Told ya so! You cannot stop the health crisis with monetary policy.
Second, the pace and scale of the current crisis is shockingly fast.
But now,
the economy is frozen
https://www.fxstreet.com/analysis/wi...d-202003261627