This is true for casual users, but if you're getting feedback from enthusiasts or even experts, their solutions are often -- not always, but often -- quite good.
Fan-modded games are often great fun if you're seriously into a game. But they're rarely better if you've never played the game.
I would propose as a heuristic that for the early stage, when your product relies on true-fans, you at least consider the content of a complaint more and don't just treat it as a signal that something somewhere is wrong. Bringing it back to the OP, I'm sure this is what Card did himself.