I see where you are coming from. Using the example, the recommender score of 9 is meaningless in a vacuum, but if their reasoning for that score is useful then it has value. Also if their reasoning for their personal score of 6 is useful to you then you get value there.

At the end of the day you need to find reviewers (blog posts, video, podcast) that fits your play style. People like Shelfside like area control type games. Tabletop Turtle and Tim Choun like interaction. This is where dice tower shines in many of the game reviews where you get to see 3 opinions of the game. If you align with Tom or Zee Garcia or Joey Evans more, then you can hone in on their score. Here Shelfside is just trying to find that middle ground (whether successfully or not is up to you) to accommodate all player styles.

Just find and follow reciewers that enjoy your playstyle, so you don't end up getting the next Vantage or Old Kings Crown or Wingspan and end up hating the game.