> Vaccination

...doesn't prevent transmission

> acquired immunity

...only lasts 6 months or so, wanes, and a new variant arrives

> the general drop in the number of effected people

Long COVID is severely underdiagnosed

> that's an unhealthy trauma response

The precautionary principle is a rational response, especially what we already know about the widespread systemic damage that repeat COVID infections cause.

The only reliable protection right now is consistent N95 usage in public spaces, and very few people are doing that (though some certainly are, as I see them every day).