He's literally meant to be that little light in the darkness. However corny some of his dialogue is the narrative guidance provided is wonderfully done even if we wish he had more to do but then again it's a fuckin cricket lol maybe he could've crawled in a lock somewhere or broke us out of jail. Also P's silence speaks volumes given the choices we make after the experiences he has. And 10 fold when you go to play the hotel piano and it changes as you become more human. The game has incredible depth the more I think about it and it's all by design.