"As a rule, people in movies haven't ever seen a movie. They're not equipped to deal with anything strange."
—Seanbaby, 7 Great Occupations...
A condition afflicting many fictional characters, seen when one demonstrates by their behavior that they have never in their life ever seen the kind of story they're in, and thus have none of the reactions a typical audience member would have in the same situation. Worse, they are unable to learn from any experiences related to their genre.