A quick toot about bias in science:
Science as a statistical estimator is intentionally biased toward saying "we do not know". This is to prevent superstitions, and to have a high bar to what we consider "truth". In the early days of the COVID pandemic, proponents of "letting it rip" repeatedly argued that the impact of the virus is minimal, according to the science at the time, and that there is not enough proof that masks work.
The thing is: What you know about the harm an ...