The advantage here is that pg is giving an advantage to high averages, not high point totals. So there's less incentive to be a reddit/digg style poweruser looking for one upvote on thousands of comments, and more incentive to say something truly insightful from time to time.
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The advantage here is that pg is giving an advantage to high averages, not high point totals. So there's less incentive to be a reddit/digg style poweruser looking for one upvote on thousands of comments, and more incentive to say something truly insightful from time to time.