TL;DR:

  > Looking back at my weekend with Flat Earthers, it is striking how many
  > people who doubt the global model of the Earth also subscribe to all
  > manner of other beliefs, from Biblical literalism to occultist paranoia,
  > from anti-vaccination to quack cancer cues, from antisemitism to Aryanism.
  > But it was also  just as striking how many people whose journey into
  > believing the Earth is flat included traumatic events or personal crises.
  >  
  > This, perhaps, is why it is so important for us to listen to and talk
  > to Flat Earthers, and to approach them as much with understanding as
  > ridicule: if they can see no light in mainstream society, their rabbit
  > hole may only get deeper and darker.