You're right. However, if "The Dark Knight" bumping off "The Godfather" was all that was happening, that wouldn't be a problem. What's happening, though, is t

You're right. However, if "The Dark Knight" bumping off "The Godfather" was all that was happening, that wouldn't be a problem. What's happening, though, is that the release of "The Dark Knight" made "The Shawshank Redemption" have a higher rank than "The Godfather". This means that the ranking system has lead to the rating system being used strategically. The implications of this for approval voting would be an interesting corollary. The polls could influence themselves.