Thanks for bringing this to my attention.
willbanks made a great observation:
You need to stop thinking in terms of punishing bad behavior and start thinking in terms of rewarding good behavior. Punishment drives users away good and bad, reward pulls them in and makes them do whatever it is you want them to do in order to earn the reward.
Really interesting discussion and I'm glad you pointed me there.
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Update: I didn't mean to upvote myself. It was a slip of the finger, but now it won't let me undo it.