You seem to simplify quite a lot. Costs should go down with videos not being recommended and thus less watched. Not excessively oppressing their users should be

You seem to simplify quite a lot. Costs should go down with videos not being recommended and thus less watched. Not excessively oppressing their users should be a benefit. Sure we could find more of both costs and benefits and I wouldn't be sure about the resulting score. I also wonder how much it will cost to classify a video versus just hosting one of those average and barely viewed videos.