For a long time, the movie “War Games” while entertaining, also seemed a bit absurd.
Doesn’t seem so absurd anymore…
It's probably in the training data somewhere, maybe in multiple places.
If users ask ChatGPT questions about that movie, it has to answer them, after all.
After 2012 or so someone turned up the absurdity level of Earth to 11. Damn Mayan calendar must have been keeping a lid on it before then.