For one - they are already PRICED in as market participants part of that "$300billion pool".
So? Does that make their trade better or worse for the market? Why?
I literally linked to the exact moment they start talking about how the dumping of FED bonds will freeze up the market.
You didn't link to any traders working for the Fed who said that.
The fact you're so stuck on "no market for MBS" proves how ******* dumb you are.
Well, you have to admit, that was a really ******* stupid claim you made.