Liars.
I'm calling BS on that excuse.
I can believe that one, simply because I still see left-wingers wearing the stupid masks while going about their daily business, like shopping for groceries or whatever. The left latched onto the COVID scare for ideological reasons and many of them, especially the hardcore types, haven’t let it go. Get a bunch of them together and I’m not surprised it would turn into a mask fest.
I also think their masking is a subtle homage to the Intifada and other Islamic movements that featured face coverings like the keffiya and balaclava. European street radicals like the Black Block and Antifa also wore face coverings. For these college lefties, wearing COVID masks may be a way to capture a bit of that same vibe but with a modern spin on it.