Because they live their lives believing things that are simply not true.
Then at some point, reality kicks in and destroys their magically, mysteriously false world.
Bingo. Great post. They live in LaLa land and when reality finally can’t be ignored they go into free fall. They never look in the mirror, self-reflect and decide they’ve been played. They just look for a new why to express their anger at the real world not the one they live in.