Is delusion just a false belief?

Why is society so anxious about delusional beliefs?

Desperately striving for an objective view of reality is a technique to reduce anxiety-provoking uncertainty. It promises itself as a way to stop a descent into madness, to avoid being completely disorientated in a nonsensical confusion. Belief is by its very nature a personal phenomenon, I cannot objectively hold a belief, it is a subjective experience. There can be objective evidence that proves or disproves my belief, or there can be objective evidence or reasoning that points to my belief being highly unlikely, therefore objectively the belief can be false. ….[READ]