I mean, Bertia is still a dummy who lacks awareness, but she's a kind and sincere dummy.
As expected, Cecil became a warmonger just because he was bored. How would he other ones play out though? The military route fits one, but the others are...well, I assume there's also one where he becomes a tyrant. Maybe he just wanders away and disappears if his little brother's route happens so the crown goes to him?