FWIW, there's 3 hours worth of doctor after doctor now on youtube presenting their case at the conference. It's persuasive, but not conclusive. I'm 100% unqualified to render judgement on anything medical; expert advice is helpful.
They call it "practicing" medicine for a reason. It's not an exact science.
Every professional group has their oddballs. Anyone who's sat in a commercial cockpit for 20 years would surely agree.