This reasoning is nonsense. The early days of the pandemic aren't going to have a high-N RCT, so reasoning from higher-uncertainty sources of knowledge is impor

This reasoning is nonsense. The early days of the pandemic aren't going to have a high-N RCT, so reasoning from higher-uncertainty sources of knowledge is important. An obvious prior for a fucking _respiratory_ disease is that masks reduce population spread, and the no-cost recommendation to wear masks in the early pandemic is one of the few policy levers that would have actually saved lives.