There's nothing more they could have done that they haven't already. Starcraft 2 didn't even exist back then.
And you also have it in your mind that a 5GHz i7 is what you need, something that doesn't exist. Are you also going to tell Intel to go back in time?
Look at posts 42-49, not only are people telling you that you aren't making sense, they are telling you that the game is playable (without needing a 5GHz i7), despite it unavoidably dipping below 60FPS at times.
And you also have it in your mind that a 5GHz i7 is what you need, something that doesn't exist. Are you also going to tell Intel to go back in time?
Look at posts 42-49, not only are people telling you that you aren't making sense, they are telling you that the game is playable (without needing a 5GHz i7), despite it unavoidably dipping below 60FPS at times.