Hacker News is filled with people who are startup literate and technically competent. People write grammatical arguments and share deep knowledge. Hacker News is The Place where “startup people” congregate.
It’s also boring as hell. It’s an echo chamber, a bubble. Everyone has the same interests, and many people come from similar backgrounds. It’s hive-mind-y. I post there, and I contribute, but it’s not as interesting as a discussion on, say, Twitter. Twitter has a diverse user base and generally welcoming approach, and it shows."