Saber having giant tits isn't retarded. What is retarded is her showing off half her bosom and not even noticing the effect it has like in FGO. She is noble and everything, but she will definitely use her figure strategically to lord over Mordred,Taiga and Rin.

Now I wanna commission Crazy Clover Club for a doujin feat Shirou and giant Gray hooking up and traumatizing Waver