Why use a word like "quality" at all here. It seems unnecessary. They should've just used "estimated votes" , since that is what they are, or something derive

Why use a word like "quality" at all here. It seems unnecessary. They should've just used "estimated votes" , since that is what they are, or something derived from votes. Quality is almost content-free and worst case is chosen in bad faith or hubris to make the result seem more important