So we shouldn't care about privacy here? That's pretty serious if it was how I thought.

No, he's merely saying that we are more privacy-conscious than the average group of people. I don't think he was claiming that was good or bad, just abnormal.

I read it as "Only on hacker news [insert good thing here]", and I agree with that sentiment, whether it was the intent or not. I think people caring a lot about privacy and issues like that is one reason I really like this place.

No, he's merely alluding to differences between people-oriented and systems-oriented folks.