It's pointless to argue about the scale on which ppl rate the discography. It's a matter of perspective. Some set the averages higher from the start and don't use the lowest scores at all, and some use the whole scale. Also I, for instance, didn't just rate the songs individually, but kept comparing the scores to each other, meaning if I give 2 songs the same score they are supposed to be about as good, and also the gaps between scores represent the difference of quality/my liking between the songs. Etc...