User-wise, I'm more interested in a user's average karma per post than their total karma.
Post-wise, I have some gripes with the way karma works, in that your high-value comment can easily go ignored because it starts off at the bottom of a well-populated thread. Which, for karma-gamers, means it makes more sense to reply to a comment with high karma to increase the visibility of your comment rather than starting a new comment thread. And it also means that your average karma per post doesn't necessarily reflect your average value per post.
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User-wise, I'm more interested in a user's average karma per post than their total karma.
Post-wise, I have some gripes with the way karma works, in that your high-value comment can easily go ignored because it starts off at the bottom of a well-populated thread. Which, for karma-gamers, means it makes more sense to reply to a comment with high karma to increase the visibility of your comment rather than starting a new comment thread. And it also means that your average karma per post doesn't necessarily reflect your average value per post.