I suspect the Flat Earth hypothesis originated as a psyop just to muddle the waters and distract people from the real issues.
Look, I am perfectly fine with someone questioning the moon landings, the expansion of the universe, or who sees merit in ideas like zero point energy and the ether. But the flat earth is plainly wrong.
Let's get back to the real issues here.
We first have to get rid of the swamp (the one in Washington, not Florida) before heading for the universe.