Earlier quoted context omitted.
> Your extracurriculars, who you are as a person, anything on your resume is irrelevant. All that matters is your score. Sounds absolutely brutal. That said, I was caught with the quoted paragraph. Why should your extracurricular hobbies or "you as a person" matter? As far as I see, all that should be considered in university admissions is indeed your test scores.
You'll see the term "well rounded" thrown around a lot in discussions like this. The idea is that elite schools (or even just good ones) can take their pick of academic high-performers, so they seek out students who are more than just academic high performers. They become very interested in questions like "does this person have volunteer experience that might have exposed them to a worldview larger than themselves?",…
College itself is where you get a larger worldview. Requiring people have it already seems like a great way to exclude people trapped by family and financial constraints.