>>52996548pretty sure they actually explain this one - geeta basically is the worst boss possible so the elite four get no amenities or cool rooms like they do in other regions. (rika iirc even suggests she strong-armed most members into being part of the elite four and the *majority* of the gym leaders bitch about her when you rematch them).
i mean you've seen how they treated the quiz, if you give the wrong answer you get booted out.
basically geeta is a bitch and is somehow a worse champion than diantha who only had her mega gardevoir going for her.