If you call yourself a writer, having tell tale LLM signs is bad. But for people who's work doesn't involve having a personal voice in written language, it might help them getting them to express things in a better way than before.
You know what people did before the AI fad? They read other people's books. They found and talked to interesting people. They found themselves in, or put themselves in, interesting situations. They spent a lot of time cogitating and ruminating before they decided they ought to write their ideas down. They put in a lot of effort.
Now the AI salemen come, and insist you don't need a wealth of ezperience and talent, you just need their thingy, price £29.99 from all good websites. Now you can be like a Replicant, with your factory-implanted memories instead of true experience.