1. Centralized control by for-profit corporations (and their investors) chasing perpetual growth
2. Algorithms driving ever-increasing "engagement" to deliver advertising
3. Surveillance capitalism
2. Algorithms driving ever-increasing "engagement" to deliver advertising
3. Surveillance capitalism
1. HN is centralized, but not for-profit.
2. HN does not drive engagement, AFAIK
3. HN is not surveillance capitalism.
You haven't demonstrated how Usenet differs from HN, but since my question had a typo and omitted HN, I can see how that is confusing.