The problem that arises is purple pillers like to be the arbiters of truth. They like to declare which "conspiracy theories" are legitimate subjects for open-minded consideration and which ones are so ridiculous that one can safely dismiss them without so much as a cursory glance. "But you're never going to attain [the] truth unless you first adopt a position of humility. This means acknowledging that you don't know everything and being prepared to reassess all the things you thought you knew to be true," he adds.