Agreed on that. Best any non-story driven game is going to get would be a 3 all things considered... Unless someone really loved the game and decided to 5 star the lot.
Hope the 'overall' score can have a lower weighting for 'story' or indeed be stripped from the scoring altogether.
Edit: Overall category was removed since the 2022 jam. So please disregard the above... https://itch.io/jam/gamedevtv-game-jam-2021/results