The argument seems to be that the Fed's massive QE and Congress' large deficit spending will lead to instability but other candidates for the reserve currency status have their own problems too. The euro zone just announced a large stimulus program for the whole continent. China's monetary system is opaque and is not run according to the rule of law. With a new Biden administration, we probably will return to a more sane decision making process. Probably won't be as China friendly as before but rational thinking will prevail.