Isn’t Hacker News mostly about startups [...] not hacking in the sense of breaking into computers?
Yes. And about “hacking” in the older sense of (very crudely) “doing clever things with computers” and the even older sense of (very crudely) “doing clever things”.
Yes. And about “hacking” in the older sense of (very crudely) “doing clever things with computers” and the even older sense of (very crudely) “doing clever things”.
Also see “hacker”.