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Emotionally, I really get it. We feel positive towards positive thoughts and vice versa for negative ones. But in the context of information, a "recommender" that recommends everything is equivalent to one that recommends nothing: both are worthless (ie can't provide any new information)


Yeah, I think you get zero information from someone who only upvotes or only downvotes, whereas you get some signal from people in the center.


Counterpoint: highly partisan voters who upvote anything from their team and downvote anything from the other, regardless of quality.


Accepted.




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