With a large website like that, you have a lot of different reviewers that score games on different principles (some being rather subjective than informative). (nintendotoday.com)
Since it's a graphic novel, we've had to seek out different reviewers in addition to our regular ones; for example, comics enthusiasts, comic shop staff, etc.. (eboundcanada.org)
Most other sites seem to be all over the place with their review scores, with no actual editorial standard to maintain between different reviewers. (n4g.com)