That work covers dimensions related to the observed spikes in demand for liquidity, especially by non-banks, for example where they needed to sell assets to meet investor redemptions (such as money market funds or open-ended funds) or unwind leveraged positions (such as LDI funds).
Politicising the central bank is the best way of weakening its actions. Our contribution is to have created a monetary environment that is conducive to such investments. The current environment, with rates at zero or close to zero, also at a very long horizon, is exceptionally favourable.