I think that, in the face of an ongoing global health emergency and a pressing need to reopen safely, some form of health pass is a reasonable option to consider. But debate is a good thing, so here are some brief thoughts on various concerns I've heard about them... [thread]

"A health pass discriminates against people who have refused the vaccine." No. A health pass should also support proof of test result for people who haven't been vaccinated, and exemptions for people who cannot be vaccinated (get vaccinated if you can though, for heaven's sake).

"A health pass is an invasion of privacy." No. A health pass should be privacy preserving, allowing you to prove your status to third parties without giving away personal data or letting them track you without your permission.

"A health pass is unfair to people without smartphones." No. A health pass should accommodate people without a smartphone, e.g. with a printable option as a fall-back (though for most of us, carrying a digital pass on our phone will be much more convenient).

"A health pass will become obsolete as the virus mutates." No. A health pass should actually give us more insight and flexibility to adjust our response as our knowledge of the virus, and the ways we test / treat / vaccinate for it, increases.