The recent implementation of a -5 karma penalty for replying to comments that are at -3 or below has clearly met with some disagreement and controversy. See http://lesswrong.com/r/discussion/lw/eb9/meta_karma_for_last_30_days/7aon . However, at the same time, it seems that Eliezer's observation that trolling and related problems have over time gotten worse here may be correct. It may be that this an inevitable consequence of growth, but it may be that it can be handled or reduced with some solution or set of solutions. I'm starting this discussion thread for people to propose possible solutions. To minimize anchoring bias and related problems, I'm not going to include my ideas in this header but in a comment below. People should think about the problem before reading proposed solutions (again to minimize anchoring issues).
As it's currently implemented it appears that replies to the -3 comments still start at a rating of 0. Why not match the -5 karma and set the new comment's rating to -5 as well? This would be a strong disincentive to others replying to the new 0-rated comment and extending the thread at no cost.
In some situations it may be worth replying to a comment with negative value.
Imagine a comment which was made in a good faith, but just happens to be incredibly stupid, or is heavily downvoted for some other reason.
Now imagine a reply that contains just a word or two and a hyperlink to an article which explains why the parent comment was wrong. Does this reply deserve an automatic downvote?
Generally: It is a bad idea to think about one specific example and use it to create a rule for all examples. For instance, not all negative-karma comments are trolling;... (read more)