I think this is just another aspect of Rook that we have to learn to adopt to. Keeping tabs on the camera, continuously updating for the optimal viewpoint in any given situation, is also a skill that need to be mastered. In the end, all other skills being equal, camera handling may actually be the skill to win the day!
I say keep it as it is. In the beginning i also thought the Rook was unnecesarily large, but i adapted, and now i like this feature, trying to use it to my advantage, hiding my demigod under his feet som he cannot target me, or when i am rook, i might guess where he got his camera and try to impede his view 
