Percentage systems aren't immune to this, various pieces of games media were often accused of a 70-100% rating scale. Anything below 70 was perceived as a terri

Percentage systems aren't immune to this, various pieces of games media were often accused of a 70-100% rating scale. Anything below 70 was perceived as a terrible game, and they didn't want to harm their relationship with publishers. So 70 became the "You might like it if there are some specifics that appeal to you" and 80 was a pretty average game.