>>52800447IVs EVs were implemented in order to create variety among pokemons of the same species, if anything I'd argue they go against competitive gaming where you want the players skill to shine through.
Hidden abilities are used to further characterize certain Pokémon species and you can use items in normal gameplay. I don't understand how you think items existing proves competitive is serious business.
>muh rankedHearthstone has ranked queue. That should tell you anything.