same as old pagerank. Sites with lots of it would publish all the crap they wanted and they'd be #1. Looks like Google has given up ranking and it going with the safe option: if it's from Yahoo it must be good so put it #1 and they are enough 'yahoos' to drive everyone else out of business. By the time Google figures it out, it's too late for many small and medium sites.
Associated Content articles on "How to pour milk in a mug" are ranking #1 on some searches. At least Google should shut the #$%*^ up with "improve your content" nonsense.