I'd say that a rating based on the number of favorites makes more sense. It's less arbitrary than the five-star system, in that it tracks the nominal level of i

I'd say that a rating based on the number of favorites makes more sense. It's less arbitrary than the five-star system, in that it tracks the nominal level of interest in the video. People don't generally favorite a video at random, so any favoriting at all is generally a good sign as to the video's content.