I'm not sure how you know you're correctly detecting LLM writing. My own writing has been "detected" because of "obvious" indicators like em-dashes, compound sentences, and even (remember 2024?) using the word "delve", and I assure you I'm 100% human. So the track record of people "learning to detect LLM writing" isn't great in my experience. And I don't see why I should have to change my entirely human writing style because of this.