I'm not so sure about false positives being rare.. ZeroGPT flags the Gettysburg Address as 96% AI generated:
replyhttps://www.reddit.com/r/ArtificialInteligence/comments/1s0y...
(I tried it just now and got the same result as in that post)
Fair enough, I accept "the blog post was written by someone from the 1800s" as an alternative hypothesis.
replyedit: For what it's worth, I also just tested the Gettysburg Address (using the "Bliss Copy" from [1]), and got a "100% Human" score.
[1] https://www.abrahamlincolnonline.org/lincoln/speeches/gettys...