I think Dan Olson (Foldable Human) nailed the real problem.
> Flat Earthers are not otherwise-empty vessels who believe one kooky thing. They believe that thing because it suits their purposes. [...] it says something they already believe about the nature of the social world. Flat Earth is a thing people want to believe because if it were true it would be irrefutable proof of everything else they believe.
> Flat Earthers are not otherwise-empty vessels who believe one kooky thing. They believe that thing because it suits their purposes. [...] it says something they already believe about the nature of the social world. Flat Earth is a thing people want to believe because if it were true it would be irrefutable proof of everything else they believe.
Folding Ideas, In Search of a Flat Earth ~29 minutes https://www.youtube.com/watch?v=JTfhYyTuT44