It's totally legit to ask you what your definition of the 'best' candidate is, because you made a claim: that the best people come from the top schools.
How are we to conclude that your argument has any worth whatsoever when you aren't able to even define the components of the claim you are making?
We all know that "best" is subjective, and defined by each company.
Google is fairly vocal about their efforts to apply a somewhat scientific approach to comparing their hiring decisions to the subsequent performance of the candidates they ultimately hire. Here is an article, titled "Google's Secret to Hiring the Best People": https://www.wired.com/2015/04/hire-like-google/
No, it isn't. Their entire argument was predicated on "these companies need to hire the best." So they need to define what "best" means in this context. Cause so far, for the likes of Google, it's "Went to an expensive school, and can do whiteboard problems."
