Animation Lead on Wanderstop! She/Her & Transgenderrific! Past: Radial Games, Gaslamp Games
What the ranking should be:

(Yea, I know there are actually about 79,000 ratings. I don't know how that number resolves into each category, so counting the number of pixels for each bar ended up being the simpler option.)
is leaving 0 stars an option but microsoft doesn't show a bar for it? this is impressive work, by the way
If they're anything like Uber or Lyft, trying to not leave a rating defaults to a 5-star rating.
The huge number of one-star reviews under the cut suggest to me they're hiding the majority of them from the bars
Few websites do ratings as raw averages, as then you have issues like games with one review topping the charts, and a relatively small number of review bombers murdering the score.