To go back to the Pokemon Battle Frontier stuff, it's great because sure, most kids won't care, but they don't need to do it then while seasoned fans can get extra value out of it, but what if a kid DOES get interested? The series has helped make competitive more accessable for the last decade or so meaning a literal child can understand the grasps and enjoy the content. That's always the beauty with truly optional content, it's not needed and can be ignored by those who don't care while those who do care will be delighted