Another way they can use this is to log the generated text, and when crawling pages if they find text that Chrome didn’t generate, there’s a chance it was a hum

Another way they can use this is to log the generated text, and when crawling pages if they find text that Chrome didn’t generate, there’s a chance it was a human, or another tool. But I doubt if people have access to this on Chrome they will really use another tool, so Google can probably differentiate between sources.