Humor , in general, relies on the presenter holding an accurate theory of mind of the audience, then subverting expectations in a way that mocks convention, is ironic, Or speaks a widely known but little acknowledged truth.

LLMs don’t have anything significant in terms of theory of mind, although that could probably be trained in with significant effect to the conversational capabilities of LLMs.

Fun usually involves a bit of transgression, rebellion or surprise, all of which goes against the absurd subservience and most average character of common LLM:s. I can see why the attempt was fun to do, but the results in TFA aren't good enough that I feel like I want to share my Github details to see more.