[Sombre]

I think it's fine that there are some nations with PD that isn't very useful, but when you have PD that is downright awful, that's a different matter. In that case new players to the game are being punished for not knowing just how terrible it is and you are removing PD from the equation entirely, as well as weakening the AI, which likes to use PD quite extensively.

So there is some PD that I would like to see strengthened, though I'd be happy with this being done via a balance mod like CB, because if you're really interested in balanced play you should be using one anyway :]