It's already become a cliché to say 2020 was a terrible year to be consigned to the rubbish bins of history and the 2021 return-to-normal will be welcome by all. And indeed, the pandemic turned lives upside down and millions suffered. But it also proved again that for financial markets and capitalism, far from being a free enterprise system where government interference is despised, when the going gets tough, central bankers save the system with a bottomless bucket of cash.