I'd like to see poorly rated content worth less
After a certain number of people rate something poorly, subtract points from the user based on the rating assigned. For example, 10 people have rated by blog post and it has a 1-star rating, therefore I loose a couple of points originally provided for having submitted it.

duplicate entry
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Shawn T commented
Perhaps some contributors should be punished; far too many worthless threads have popped up in the interest of earning points to get the next belt... Just my opinion, but... look at them! Deleting them and removing points earned would do it.
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Tentacle Master commented
Perhaps instead of punishing the contributor, after a certain number of minuses the comment/tip/blog is automatically deleted.