A 5m search got me the following:
https://news.ycombinator.com/item?id=49410941
https://news.ycombinator.com/item?id=49411042
https://news.ycombinator.com/item?id=49059571
This thread, in particular, stands out - reader makes the claim that Pangram found that the US constitution was 100% AI generated, when others tried they found 0% (or close to it) https://news.ycombinator.com/item?id=48378191
I feel that if one doesn't want to send that message, they shouldn't be attempting to convince others that rejection of AI prose must stop.