Yeah, nothing like a fresh mind playing through our games to show us the flaws of our puzzles, I know how it feels. Air tight game design is a myth, hahaha! Still, I think no matter what idea the player comes up with (the intended one or the one I did), they will feel good about it because the game didn't told them what to do, I think the joy of discovery is one of the strongest emotions games can tap into but it got lost on most big titles today due to the necessity to cater to everyone and don't make nobody confused. I really like those games that don't outright tell what you're supposed to do, being subtle is difficult and I commend your attempt at doing it.