Prove to me that flat earthers aren't just trolls who don't believe a word they say.

I know some who fucked up their whole life, because they believe that crazy shit for real. (Living now alone in a remote hut and waiting for the day when they come to take him away from there, because he also does not believe in paying taxes)

I can give you the adress, but maybe be a bit careful. To him you might be one of the evil NASA brainwashers.