So quotes of accounts of people flying high is acceptable evidence?
Because we have plenty of those, and they all say the earth is round. We even have living people you can interview.
Example:
For the first time in my life I saw the horizon as a curved line. It was accentuated by a thin seam of dark blue light — our atmosphere. Obviously this was not the ocean of air I had been told it was so many times in my life. I was terrified by its fragile appearance.
— Ulf Merbold
we are talking about people that are not paid by government.