Yes, The FT's Bryce Elder Went There

Not that  there isn't central bank precedent:

"I have two problems but only one tool."
—Ben Bernanke
Testimony to the House Budget Committee
Jan. 16, 2008

And the opening paragraph to FT Alphaville's production of a Bryce Elder film:

“This is a big package,” Mark Carney, the outgoing Bank of England governor, told reporters on Wednesday morning.
 But is it big enough?
And what good are big packages anyway when what we really need is the small prick of an effective vaccine?

...MUCH MORE

I might as well drag out the old graphic, there's no turning back once we've started down this road:

From Central Banks to "Flood" Markets with Liquidity: