MiiVerse is the missing element here. We don't know just how much of what they showed with ZombiU is going to be fully implemented, and if they are, then individual games' support of voice chat is going to be more or less only needed for more intensive multiplayer games.
We need more information.
And yes, i'm going to edit the first line of this thread...

Monster Hunter: pissing me off since 2010.







