Gym Leaders/Rival battles should scale to your level if you're a lot higher than them. It's not fun curbstomping them. It's worse in XY than ORAS but it's still sucking the enjoyment out of the game.
My strategy of breeding version exclusive waifumon Mawile to get some generous perv to provide the pokerus on GTS has been thwarted so far by non-english speakers and/or assholes.
