EU/NA it prolly gonna happen that TESO will perform better then ARR. FFXIV has such a bad image which can't be erased with the release of ARR. It will take time and FF online game was never that popular in NA/EU like others.

It will mostly affect ppl that aren't fans of Final Fantasy or TES, and prolly Elder Scrolls will take more of them. Reason is the bad reputation FFXIV still has.