It's a terrible system for informing consumers as well because it gets gamed so much on either direction. These days you're better off as a gamer simply ignoring the reviews unless they're warning about something very specific and checking out the recorded gameplay yourself to see if you like it. The weird thing is sometimes you get this with anime on comments pages where you see people shitting all over the show and it's like they haven't even watched it, which let's be real, they may well not have.
It's a terrible system for informing consumers as well because it gets gamed so much on either direction. These days you're better off as a gamer simply ignoring the reviews unless they're warning about something very specific and checking out the recorded gameplay yourself to see if you like it.