Most CTs at least have some basis and you can at least somewhat understand them. Like people's fear of putting stuff into their bodies (vaccines).
The flat earth theory is just dumb though. What's even the point of this theory? What importance does it have whether it's flat, round or a bloody cube?
What benefit would mankind get if it was revealed that it was flat?
If vaccines DID prove to be dangerous like they claim, we would become healthier. If the earth is flat, we...?
This particular conspiracy theory just seems too dumb not to be someone laughing their ass off when they came up with it.