Karpathy is a notable researcher and broader AI leader. Among many, many other things, he invented the term "vibecoding". He also recently posted his autoresearcher project, which is using a swarm of agents to optimize the LLM training and recently produced a training process that is the fastest to achieve GPT-2-level performance using a very small model.
criteria for hitting HN frontpage is generally whether it is interesting to people. That thought is likely the same thought a bunch of us are having at the moment.
It easily reaches the front-page for people with a following. I don't think many votes are necessary to get to the front page. And when there's some critical insight or leak.
Aside from that I've seen few posts on X that didn't follow the pattern, and were short lived at the top.
> On-Topic: Anything that good hackers would find interesting. That includes more than hacking and startups. If you had to reduce it to a sentence, the answer might be: anything that gratifies one's intellectual curiosity.
You can just downvote anything you don't like and move along.