And using "flat earth beliefs" as a comparison is telling, seeing as how that conceit is a 19th Century propaganda campaign (https://en.wikipedia.org/wiki/Flat_

And using "flat earth beliefs" as a comparison is telling, seeing as how that conceit is a 19th Century propaganda campaign (https://en.wikipedia.org/wiki/Flat_Earth#Myth_of_the_flat_Earth https://en.wikipedia.org/wiki/Flat_Earth#Myth_of_the_flat_Ea... and https://en.wikipedia.org/wiki/Myth_of_the_flat_Earth https://en.wikipedia.org/wiki/Myth_of_the_flat_Earth), conjuring up a belief that hadn't been widely held since the High and Late Middle Ages (see the first link).