Every single person on earth sees a Flat Earth every day of their life.
That's all one is capable of seeing. The Earth is so big that from standing on the ground looking out at it, you only see flat. Anyone with an open mind would of course know that just because you SEE it as flat doesn't mean it is. A different perspective can change everything. We should fly you to the moon.
The "FLY TOM TO THE MOON FOUNDATION". It should only cost about 29,000,000 dollars, depending on going rates. I think we should ask Diego or whatever his name is for a generous donation. He seems to be very wealthy considering he has plans to dig through the Earth.