"Any mask ban is a dangerous prospect, as many regions are currently dealing with an increase in COVID cases, and these patterns are expected to continue multiple times a year. (Days after Los Angeles’s Democratic mayor Karen Bass said the city would look into a potential mask ban at protests, she contracted COVID.) A mask ban on the subway would endanger a public good that many people depend on — and have a right to — and the ability of high-risk people to participate in society, to be seen, and matter to the broader community."