Why is this article on ycombinator? It's not nuanced or inciteful in anyway. It's yet another "our generation did it better" article with different words.
If you follow the current controversy around tech thought leaders like Robert C. Martin aka Uncle Bob, you can't ignore the current debate, no matter which position you take.
Tech doesn't exist in a vacuum, it never did.
If you had to reduce it to a sentence, the answer might be: anything that gratifies one's intellectual curiosity.
Give them a read: https://news.ycombinator.com/newsguidelines.html
Please don't post shallow dismissals, especially of other people's work. A good critical comment teaches us something.
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Please don't complain that a submission is inappropriate. If a story is spam or off-topic, flag it. Don't feed egregious comments by replying; flag them instead. If you flag, please don't also comment that you did.
Give them a read: https://news.ycombinator.com/newsguidelines.html