Cultural upheavals can be a riddle in real time. Trends that might seem obvious in hindsight are poorly understood in the present or not fathomed at all. We live in turbulent times now, at the tail end of a pandemic that killed millions and, for a period, reordered existence as we knew it. It marked, perhaps more than any other crisis in modern times, a new era, the world of the 2010s wrenched away for good.