Many of those who opposed lockdowns for the pandemic, predicted that the policy — if normalised — could one day be taken advantage of by opportunistic political forces to deal with almost any crisis. It was, as Lord Sumption once suggested, a potential pathway to authoritarianism. “If we confer despotic powers on government to deal with perils, which are an ordinary feature of human existence, we will end up doing it most or all of the time,” he wrote in November 2021.Well, we are now facing just such a crisis. And there is a not insignificant chance that lockdowns might...