I don't think I've ever seen someone on HN say that. Many people would say that AI makes them more productive at coding, not that the output is nice to read.
I would say that AI prose is often still a bit iffy, but I would disagree with anyone who would want to argue that this is any indication that AI prose will always be bad in the future.
> I don't think I've ever seen someone on HN say that.
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