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I don't understand why HN even needs a downvote button. We've all seen what having one turns into.

• happytoexplain 6y ago
  On the other hand, having zero community-driven moderation also results in a place that's unfriendly to discussion.
  • adingus 6y ago
    I agree, but I see the upvote button as a weak form of that. Good comments & those within the echo chamber rise to the top, but comments "outside" the echo chamber still stand a chance to be seen and considered on their merits. Also, the authors are not as discouraged to comment in the future which keeps a better diversity of opinion. Perhaps upvotes and responses should be weighed similarly. That way garbage/spam can be ignored and fall to the bottom while discussion is still promoted.
• Jommi 6y ago
  It's only for certain users