That's one of the other things that strikes me about many of the killer applications that have thus far come out of the deep learning AI spring that's been blooming for the last 10 years or so: riffing on known styles in novel ways is very compelling.
One of the first big AI successes was the style transfer algorithm. Take an image and apply the higher level style elements from another image onto it. https://en.wikipedia.org/wiki/Neural_style_transfer - "Mona Lisa in the style of Starry Night", etc.
We saw the same thing emerge with DALL-E 2 earlier this year. Totally different architecture, but most of the things people like are the result of taking one known "style" and applying it to something novel, sometimes to the frustration of artists whose styles were gobbled up in the huge corpus of training data.
The same thing seems to be happening with ChatGPT. Spit out a script of some novel situation in the style of Seinfeld or Shakespeare or Edgar Allen Poe, etc