I was in a decided minority on the subway platform of the Second Avenue line in New York City the morning of April 19, wearing my mask as I have every day on the subway for the past two years. All around me were bared faces—where only the day before, compliance with the Metropolitan Transit Authority’s (MTA) masking rule had been near-total.

That says a lot about the confusion created by the 59-page decision handed down the day before by Florida U.S.