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A comment on A concept that took hold in the ’70s haunted everything from seat belts to masks. Parent comment
Huh? You need to protect others because masks (mostly) don't work inbound, that's what I'm saying. (But do work outbound.)
> Clearly masks are not trivial to validate given that there is no evidence they have any positive effect
Sorry, restate: the presence of masks is trivial to validate.
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Huh? You need to protect others because masks (mostly) don't work inbound, that's what I'm saying. (But do work outbound.)
> Clearly masks are not trivial to validate given that there is no evidence they have any positive effect
Sorry, restate: the presence of masks is trivial to validate.