I assumed as much because l felt your points had already been addressed by posts others had made here. I understand not feeling voice chat as a universal option but I can't remember the last time I played a game with voice chat that didn't give the option to disable all voice chat, or at the very least a universal volume slider for incoming voice chat which could be used 1 time in the same manner. Whereas there is no in-game alternative on the Wii U for those who want to use voice chat in its absence. While a total lack of voice might suit you particularly, don't you think it'd be preferable to include an option, oft-repeated in this thread, which would suit almost everyone? That being friend chat, of course - being able to voice chat with friends in-game down the line, at the very least, a basic functionality for which there are very good reasons to have been included in damn near every OS and video game claiming even a semblance of social interactivity and connectivity over the last decade.
I'll concede that random voice chat is something totally unimportant to me in the context of this particular game (although I couldn't live without it where PC shooters with strong communities are concerned... ARMA 3 would be an empty shell without voice chat
), but being able to chat/banter/team with the friends you play with at the very least? There's no reason for that not to be an ingame feature for a team-based game when the OS doesn't support it itself, and not quite solely for teamwork and coordination purposes.