To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
This was manipulative and insincere. Dedication is to pre-order teachers who are "the real heroes" for listening to whining. Forced sharing rather than turn-taking too. I can't believe this was written recently!