I'd like to propose The Singal Test for evaluating distributed and/or federated systems: how well does the system succeed at keeping you from having to even passively interact with a toxic bad actor who is an expert in malicious compliance?
I think the most baffling thing about The Fall Of a Masking post-people-caring-about-covid is that no one wears them in doctor's office or lab waiting rooms. Like do you *want* to catch that guy's cold or something??