I used to think arguing about Young Earth Creationism was not worth it and they were basically harmless. But in too many cases Evangelical rejection of mainstream epistemology extended into conspiracism, anti-vaccination sentiment and denial of shared political realities.
There was, I though, an interesting video on this point by @FoldableHuman on how Flat Eartherism bled into more worrying forms of conspiracy thinking:https://youtu.be/JTfhYyTuT44
