These are also the type of people who believe that the world is flat too. You would think that with how advance science is today that people wouldn't be this stupid but NOPE!
Walp, just remind yourself how much stupid shit people DO believe. Most people aren't rationally coming to their own conclusions, they trust - not evidence - but authority. Who even deals with evidence? Nobody. Researchers. Ordinary people just choose a figure-head to listen to.
Flat-earth people are part of a larger movement who reject science, for aaalll kinds of conspiracy reasons. They reject outter space, they reject the celestial bodies, and so on.
But it's all the ever talk about - the temperature needed to turn steel into liquid