If you say so!
I reserve judgment until I see some evidence, which I haven't yet. The only expertise I have seen is that of bs, and even that needs to be learned.
I think you will find Mozart died in 1791. I know I am old but even I was around then so I have to rely on reports, but if you know better then you are both experts. Him on music and longevity and you on the aforementioned bs.
A little-known fact was that he was known, to his most intimate friends, as Tricky Dicky, for reasons best left to the imagination.
Another string to his bow?