Sad that reviews can be so biased, I think there should be a stricter rule about this. I think they would have to be blocked until the game reached at least 5 updates, and then they would be released. How to rate a game giving 5 stars based on half a dozen images? As if I already knew the whole story? As can be seen, the 5-star ratings are from fans of the developer, and are completely irrelevant and biased. And instead of helping, it only gets in the way, because whoever reads them will know that they are nothing more than flattery.
I'm a helper writer on a game, which is now 2 years old, and I could have given a big positive review about it here, but I didn't, as that would be biased.
The ratings (as one guy said in his review) are supposed to give a sense of what players will find in that game, both positively and negatively. And not just a flattery of a developer.