Many people argue over things that they have never experienced. Whether it's flat earth the theories or conspiracy theories,, if you have not seen those things directly, you don't actually know for sure if those things are true. Just like the fact that you can missinterpret experience, we also rely, often very heavily on our beliefs about the world that we have not actually experienced. This can lead us into, ironically, more inaccuracies than you would get if you just simply became aware of what was happening around, and inside you. So, in truth, the only thing you can know for sure is your current experience. Not your interpretations of experience, but just experience itself.