You are not supposed to care about EVs. They were only added to the game so that a Lv.100 Charizard had different statistics than another Lv100 Charizard. EVs ONLY exist to make each pokemon you capture a unique creature.
The target audience is still 10 years old, and they don't care about min/maxing their pokemon. When my nephew was 10, he would use his Empolion in every battle and never use other pokemon.
EVs are cool, and I do train "almost perfect" pokemon, but Evs are not fun for children. So, they are a "secret".