I think this kind of things belongs to the particular taste of playing a worldwide competition as Utopia.
There will be other issues, some good and some bad, with respect to playing earlier or later. For example, teams playing last-minute playoff will have a few more hours to react if they played earlier.
But it is true that this could lead to some disadvantages that eventually would make people from Eastern countries prefer to play later.
¡Me aburro! (Homer Simpson)