Earlier quoted context omitted.
> Some guy says it's overblown and this is ranking on HN? The guy quoted for said statement is a professor of medicine of a reputable university, so he does have the authority thing sorted out. Also, I feel the quote means something different than the original interpretation. After reading the article, it seems that John Bell simply states that a) long Covid is "more complicated than people assume", and b) it's incid…
https://www.bmj.com/content/372/bmj.n490 Sounds like the BMJ dont trust this chap and are questioning his financial interests. Therefore I would question his motives with regard to this article, he isnt very forthcoming which is usually indicative of having something to hide.
The article you mentioned only refers to stock portfolio and potential conflicts of interest regarding policy decisions on performing antibody tests.
The statement that was quoted in this discussion is about an entirely unrelated subject: the prevalence of long Covid. The initial claim is that the statement is supported by data from the Office for National Statistics.
If you want to question John Bell's claim regarding the prevalence of long Covid, just check if his statement is corroborated by the data. Either it's supported or not.