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.
Would typing recommended twenty times be enough? Just kidding. The story, characters and the animation is incredible. Tinkle has been my childhood companion. To reminisce the stories that I had read and the ones that I missed out on is more than enough to ask for. Enjoy!