I'd think Hacker News actually comes under #2. If 100,000 people come from Hacker News to look at your hobby site about the Aamber Pegasus, you're supposed to

I'd think Hacker News actually comes under #2. If 100,000 people come from Hacker News to look at your hobby site about the Aamber Pegasus, you're supposed to think of how you've improved their lives by letting them read about it.