There has been no such collective conclusion. It could be correct and there are several viable hypotheses in there worthy of further research but nothing that meets the standards of evidence-based medicine.
Survival comes first, while evidence-based, official, one-size-fits-all approvals do not come into existence until a large enough statistical samples are collected. Chicken and egg dilemma of its own.
P.S. People are preparing for WW III with a far greater enthusiasm now, imho. Which is sad.
