The flat-Earth conspiracy is spreading around the globe. Does it hide a darker core?

"I don't want to be a flat Earther," David Weiss says, his voice weary as he reflects on his personal awakening. "Would you wake up in the morning and want everyone to think you're an idiot?"
Read more: https://www.cnn.com/2019/11/16/us/flat-earth-conference-conspiracy-theories-scli-intl/index.html?source=Snapzu