AI generated posts about AI failures (keep showing up on HN)

I keep running into posts about AI written by AI via friends who found them on HN. HN commenters seem unaware.

Semantic ablation: Why AI writing is generic and boring https://news.ycombinator.com/item?id=47049088

The Singularity will occur on a Tuesday https://news.ycombinator.com/item?id=46962996

The singularity will occur on a tuesday received thousands of votes. It wasn't bad but I'd have preferred less AI fluff around the fun modelling.

Why's this so prevalent here?