Amazon calculates a product’s star ratings based on a machine learned model instead of a raw data average. The model takes into account factors including the age of a rating, whether the ratings are from verified purchasers, and factors that establish reviewer trustworthiness.
You could see the glob of glue holding the ball in and the ball looked touched up. Which made sense because they chose to have the side of the ball that said "refurbished" facing the outside for all to see. Just not quite the classy yet fun gift I was picturing.