That's passing strange. You do sometimes talk like you think you have expertise in this area.
Indeed.....although there is quite a difference between having a degree of background knowledge and an opinion, and having expertise.
There are quite a lot of posters on PPruNe who post like they think they have expertise.
You may recall that I simply suggested a possible explanation to Arthur's question over pilot numbers, and you again try to make it personal. If you think the explanation was wrong, how about explaining why you think that. The repetitive "what is the recent medical research" thing is just getting a bit boring.