I was talking about the posts on HN and the motivation why they are posted right now, not the author, with whom I'm familiar.
Also there's literally a discussion on C for vibecoding on the front page atm https://news.ycombinator.com/item?id=46207505.
https://www.youtube.com/watch?v=zqHdvT-vjA0
https://www.youtube.com/watch?v=443UNeGrFoM
Vibe coders follow the herd (Python, JS, Rust), they don't write any C.