I believe you misunderstood my comment.
When I said
To be honest, I don't know what else to add.
it implies I already had Battle Frontier on my mind. For Wi-Fi, it may not be possible. It's one of those things can pull out the franchise's potential. Pokemon is a popular game series, and it can be better if they take the tech and up it by a notch. Many Pokemon players were lone gamers until the DS generation.