Have always wondered whether the infrastructure exists on itch to determine whether or not commenters have actually played the game. Of course, it wouldn't be a perfect fix, but have always thought that this would be a good system to implement to ensure more fairness. Have also thought that as part of the Jam, every submitter should be assigned 5 random games to review before their games are considered eligible for winning. Small time investment for the developers and ensures even the smallest games get some representation.