Persona 5 is one of the highest rated games of the generation, hailed as one of the best JRPG's of all time. A full price release that sold more than 2 million copies, will go on to sell much more. Why would it not be a good idea to put it on Xbox? Lol if PS looses Persona that would basically be like loosing Bloodborne. They are of equal quality.
it sold that well because of japan and the general ps4 audience having wider tastes
but i hope it happens for you. it's a better game than anything ms has produced for ten years, more people deserve to experience it