IT’S 2 A.M., OR, PER THE GUY sitting next to me, “the hour where nothing is awkward,” on a Friday night less than two weeks before the presidential election and three weeks before COVID-19 positivity rates would creep back toward 3 percent in New York, prompting a series of new lockdown measures—a night and moment that, in retrospect, would be the twilight of New York’s pandemic reprieve. On the teeny back patio of a vacant industrial warehouse on the border of Bushwick and Williamsburg, at a covert party named, fittingly, “Dirty Dark Underground,” I can find only one person out of a couple dozen revelers who appears to even own a mask, though his is currently dangling under his chin. If you happened to wander into this party, lured from…