That wasn't a Quanon conspiracy: that was misunderstanding that I saw plenty of mainstream doctors and other health professionals promote. What it showed is that either they were intentionally lying - which I kinda doubt - or that they were so confident in what they had heard that they never bothered to do any research for themselves. Just reading the relevant wikipedia pages carefully would have corrected that misunderstanding.
This is your not frequent enough reminder that "doctor" is not a synonym for "scientist", or more specifically epidemiologist.
Medical doctor's are basically mechanic's for the human body. The human body is complex, so this is a high bar to clear and an important function, but it doesn't magically grant them knowledge about concepts outside that field.
