Yep, most stories shouldn't be rated a 5, but they get so many of those. And as you said, the 1s kinda balance out. Which is why I think thumb up and thumb down. People have proven they don't know how to rate stories with a 5 star grading system.
Tell the court how evil I am. I cannot be prosecuted for cuteness. I need to be prosecuted for my heinous crimes. Actually...don't tell them that last part.