Its not certain that the Xbox One will rule America. its certain that America will be the staple point of their success. I will agree on that point. Sony has sold well above Microsofts numbers in America before. Titanfall is one game and its coming out during the time period that the PS4 and Xbone have their lowest sized audience. By the time they have a decent amount of people gaming (20 M) the PS4 will have Titanfall 2 on it. Do not depend on Titanfall. Microsoft needs to focus on what is truly exclusive to their brand and work on that. If you depend upon others creation when exclusivity isnt certain, do not expect stable results throughout, but rather fluxtuating ones.
Before you make assumptions like you are now, remember that the PS4 and Xbox One essentially serve the same function. Sony has them on number of successful first and second party franchise exclusives (from last generation) and to top it off the console is more powerful while being cheaper. You cannot find a PS4 properly in America because of that. The PS4 on a worldwide level is bigger than the Xbox. You should be asking yourself, "How much marketshare will Microsoft lose to Sony if the third party gaming crowd choose PS4 this gen?" That is the burning question, my friend.
