A bias stemming from people being fixed in their point of view. Most conversations and exposure to new information rarely change people's minds. Philip Tetlock calls this cognitive conservatism—the tendency to maintain existing beliefs even when confronted with evidence that proves them wrong.

This concept relates to Belief as taste 🎨 and shares similar dynamics and causes with [My-side bias](https://www.pawel.world/2458932426b742be820215b950b9c922)