Why its so popular? The only answer in the history why something is popular is because its a psyop. Just like pokemon go was a psyop to encourage people to give their location info.

In case of flat earth misinfo campaign its the campaign to ridicule some people saying truth to power. The most common example of this form of behaviour is the Alex jones. This guy was created to make diversion on the indepedendant thought of the patriot media. Alex jones is like antibitcoin, antievidence, antilogical guy saying everyone is a hoax. What is a biggest hoax is him.

Its a cult like behaviour of a scattered sheeps. Stephan molyneux abuse it. Sadly the lord steven christ abuse this as well. Sadly he is creating a cult that destroy the true shape of the earth. The guy was created as well to ridicule the people saying truth to power. What makes me think of that? The guy was speaking with high federal officers and they abuse him I would say. Either this guy is hurting a movement for his own sick vanity, or he is on a very tight leash.

His vidoes are excelent, his info is awesome. Why the fuck does he need to create a cult and calling himself supreme? Thats very very sad.

So yeah that psyop is called a damage control psyop.