the only surprise here is that they made this announcement before the game launches on xbox. this really kills most of the benefits xbox would be buying with their timed-exclusivity as they really were purposefully putting out vague statements so that many would believe this was "xbox exclusive".
anyways, a year is longer than i wanted to wait but an xbox is too expensive and redundant to even entertain the thought of getting one for tomb raider when i already have a ps4.