It doesn’t have to be. It’s the very nature of their instance that they remove voices that they disagree with, causing them to completely get their ideas from an echo chamber of people that they already agree with, causing the ‘critical thinking muscles’ of the brain to go out of use.
Gate to be the party pooper but lava is specifically molten rock, and rock is a mixture of multiple minerals. As single mineral is not rock. (As far as a quick Google is verifying, open to correction by an expert)