The reason that Cydia doesn't have reviews (or even ratings) is that we haven't found a way to make a working review system either, so we don't even try. I don't think that any of us would argue or work against something like that, but I also seriously doubt that Apple will do it.
(I'm a contributor to the Cydia open source project, but I don't speak for saurik or Cydia, and that's probably not the official stance.)
(I'm a contributor to the Cydia open source project, but I don't speak for saurik or Cydia, and that's probably not the official stance.)