> I can't say whether this was machine-generated or not, but the reason LLMs use these patterns is because they're often used by humans, which is what they're trained to mimic.

It's definitely written by an AI. I understand that people use these same rhetoric devices but the word "mimic" is exactly right. They're not writing like humans, they're mimicking human writing in a way that feels extremely uncanny.

(Hey look, I did the thing too!)