Excitable Boy
is a metaphor
Not that I'm defending them for copy/pasting the Maison, but in fairness, couldn't you just, you know, play through the Frontier in the older games, assuming that you still have access to them? Yes, you would have fewer Pokémon and move choices, but it's not as if IVs and EVs work any differently than before.
did you just admit that Pokemon hasn't changed significantly at all or what