it's not your fault. this would have been a great discussion if JM hadn't acted like a five-star McAsshole.
that said, this is a pretty charged issue around here. it's particularly charged because of the change in standards over the years - there are certain older remixes that have been grandfathered into the system that don't hold a candle to some of the awesome music coming out regularly now. this doesn't mean that they are bad, or were bad when they came out. i have a lot of friends who thing OCR's remixes are terrible because they've only heard some of those earlier mixes. now, of course there's stuff that's still good music to be found in there - one of my favorites, for example, is Arrakis Wormsign, #60. but any system to rate them would be torn between a myriad of issues...between nostalgia value of the remixes, nostalgia value of the games (would neighburgers be overloocked for, say, one of the scads of generic FF7 remixes?), and feelings about the remixer (a few years ago, prot's mixes might not have ranked as high as they could).
basically, as cool as ratings would be, people would just download the top twenty and ignore everything else. there are lots of flawed gems that get overlooked that way. kind of like what happened at vgmix =)