I am up for that, but...
Since GT1, only bump cam had rearview cam...
GFX utilization will be higher, already there are many downgrades in order to get at least close to 60fps, it looks like it is not much, butthere will be even more stress. You can check how rear view mirrors work for example take KTM on Blue Moon Bay premium longue event, take in car view and when you are on streights you will see how boxy is rearview...