People tend to upvote a lot more than downvote. I believe it's because one's ego doesn't want to associate themselves with being negative, instead we always try

People tend to upvote a lot more than downvote. I believe it's because one's ego doesn't want to associate themselves with being negative, instead we always try to attach ourselves to more positive traits. These metrics should only be used for categorizing purpose only. We need to be very careful in using it as a driver for more of the same articles, because in the long run this will only create a feedback loop that will keep feeding us the same content and narrowing our views, making us blind to more critical issues at hand.