This absolutely belongs here. This type of article is what makes Hacker News so awesome and unique from any other place on the web.
Exactly. Do I want to read another flamewar about subject X Y or Zed or do I want to read a link about something I never heard about before?
HN to me has always been about exploration and craft. This usually ends up manifesting as technology news, but particularly interesting crafts (or explorations) feel like fair game.
I doubt the underlying technology has changed much in the last 2 years
Sounds like someone hasn’t been up to date on the risk of buffer overflows and hardening updates.
And if you’re not at least mixing in some iron oxide into your mud how can you even be secure? Sea shell dust just doesn’t cut it in the modern world.
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.