Amazing thread on that big mask meta-analysis. TLDRR: - The mask-effectiveness literature is infuriatingly scattershot - The Cochranee analysis is deeply flawed in often hilarious ways - The only thing to be said confidently is that the Bret Stephenss column was very terrible https://twitter.com/tomaspueyo/status/1630000803141255169
Do masks work? Recently, some ppl have started claiming it's proven that they don't. Is this true? I dove into the details, went to the sources, and what I found was so ridiculous it was FUNNY: