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.
My intellectual curiosity feels gratified. I admit I could be a special case, but given 77 others have also found it so, I don't think I am.
That there are still good people in the world. The man didn't take any money for himself, and sat patiently while waiting to be arrested. If more people in software had this mindset, we'd all be much better off.
Unrelated: the HTTPS cert for your site expired a few days ago.
What's intellectual about changing the HN banner to Christmas colors? Nothing wrong with the occasional festive uplifting article like this to restore one's faith in human kindness.