In most cases I would agree with the simple up/down rating, because we're seeing the lunacy of "less than 5* is failure" in various platforms. But in the case

In most cases I would agree with the simple up/down rating, because we're seeing the lunacy of "less than 5* is failure" in various platforms. But in the case of Netflix where it's primarily being used to manage my own personal preferences on content, some nuance of "more like this" and "well I kinda enjoyed it but it was badly flawed" and "meh" and "never ever show this to me again" is useful.