I actually tend to agree with you on both counts. It's like the would you like to be famous thing. WOULD I FUCK in the sense that every cunt recognises you, BUT, if I found the cure for cancer, WHAT A...
I think that would be impossible to know after his death. Even if he had wrote a statement confirming that he was a virgin, that would be in such times that you could not write otherwise. It would have been akin to him writing that the Virgin Mary must have been an adulterous immaculate slag.