AI is clearly the correct answer to this specific problem: Claude can not identify another writer if they use Claude (or another LLM) enough to massage the text.

The problem, as the article correctly identifies, is that this is just the tip of the iceberg. There are tons of other cases (e.g. identifying a car without a license plate by the scratches) that AI is going to enable ... and in those cases we can't just get anonymity back by using an LLM.