I actually like flat earthers as an exercise in epistemology. We all know that the earth is not flat, there are countless evidence, and a lot of them easy to t

I actually like flat earthers as an exercise in epistemology. We all know that the earth is not flat, there are countless evidence, and a lot of them easy to try for yourself. And flat earth is not a dangerous idea. The only thing you risk by believing and trying to spread the idea is ridicule. It is the perfect playground for trying "alternative" ideas. So go look at all the flat earthers arguments and try to take them seriously. Some of them are actually great. There is even one that mirrors general relativity: the earth is a constantly accelerating disk, this is what creates gravity. Of course they are all wrong, but disproving them require actual thinking. When you have trained yourself on the flat earth, you have completed the tutorial and you can now move on to the real subjects: climate change, vaccines, quack medicine, etc... Here you have actual believers, and they have ideas that can be convincing and dangerous. People die because of quack medicine.