Maintaining a separate view of reality from everyone else around you is cognitively expensive, even if your view is the one that agrees with the facts, and even

Maintaining a separate view of reality from everyone else around you is cognitively expensive, even if your view is the one that agrees with the facts, and even if you don't have to worry about being shunned by your peers or disappeared by the powerful. Sadly, human brains are very good at coming up with justifications for what they want to believe, and people probably find that loudly embracing the false narratives is an effective way to drown out their cognitive dissonance.