i disagree. especially deadwood was very far away from realism or good actors. rome... the hardest what happended was the whipping scene, which was even for my standards very hard, but the rest was not as harsh as it really was in roman times. and even band of brothers was softened for the greater good. and compared to the graphic an medival realism(or drasticism xD) of some of georges scenes i am (rather convinced that loads of scenes won't make it into the series. i am speaking mainly of cersei and her brother, the end of one of starks sons, various acts of sexual abuse and so on. under normal circumstances i wouldn't mind loosing somme of the ghastly scenes, which in my mind look like livin' hell on earth, but they carry important parts of the story. To put my concerns simple:a good script/ story does not guarantee that director and producers will tag along for the fans or the right feel.
in the end they will compromise, but the question remains: will those compromises be acceptable, or will they mutilate the story in order to make it mass compatible?