I support the Fairy-type idea completely. Naming doesn't matter, everybody knows the Pokémon in the Dragon-type category are completely over-powered and with no weakness (Dragon and Ice moves aren't enough available outside of Water and Dragon themselves, not to mention these moves are pretty much underpowered compared to other types to these Pokémon that can learn it).
Of course they must do it but not create another beast, for example, making Fairy the new overused Pokés, or making the Fire-type to resist it (one more resistance to this type! NO GF, just NO.) or be super effective against it would automatically unbalance the game again and create a new over-powered overused group of Pokémon (the fire-types). Also if they add any more super effective type against Grass would make me to drop Pokémon completely, common this just has to bother you as a fan even if you don't use grass-type Pokémon, just look at the tables in Bulbapedia. I'm hoping they'll actually take at least one type that resist grass off that table or perhaps make Grass super effective against Fairy IDK. Giga Drain power increase in the last generation weren't enough to make them usable and Petal Dance leave all stuck in 3 successive moves and only a single Pokémon don't become confused by it.
Something else that is bothering me until now is that Elioptile and Litleo are part Normal and being real this just serve to make them weak to Fighting. ¬¬