There is, a specific type of smugness when someone within a group of like minds calls out the heretic. When group thought has totally permeated the platform, as a bastion of central opposition and knowledge to a world that is seemingly going insane -- a world is unknowable in the end. Too many possibilities. Can I prove that? Without falling into skeptical thought, not really.  Nothing can be proved without a doubt, it is a matter of the evidence collected in favour of what one believes -- or the group believes. We are all capable of that confirmation bias, even those who point out the heretic. Doubt can always be generated, with enough intelligent thought. And so as long as that persists, truth in the fact can never be absolute. And must always remain in doubt, a sort of plastic thing...