There is evidence to suggest some LLM's have the ability to produce original outputs, such as DeepMind's solution to the cap set problem.
https://www.nature.com/articles/s41586-023-06924-6
On the other hand LLM's have some incredible text compression abilities
https://arxiv.org/abs/2308.07633
I'm pretty sure there is copyright infringement going on by the letter of the law. But I also think the world would be better off if copyright laws were a bit more loose. Not wild-west anything-goes libertarianism, but more open than the current state.
I'll add GeoWizard to all the good answers already. He has some great adventure videos. He composes all of the music as well.
Oh, and anything by Brady Haran: Objectivity, Numberphile, Sixty Symbols, Periodic Videos, etc.