This is what the Japanese are still doing; the top companies seek out top achievers regardless of the major, and then employ them, and teach them the things the employee lacks inside the company.
This is what the Japanese are still doing; the top companies seek out top achievers regardless of the major, and then employ them, and teach them the things the employee lacks inside the company.
This type of education is not for everyone, though.
Undesirable is of course is to find different by different people. The larger point is so long as the undesirable people are not overwhelming the school and bringing you down, it's actually good to meet them. Maybe you'll bring them up, but even if you don't, it helps to broaden your viewpoint of the world and helps you to not become a bigot.
The higher ups take notes along the way. Those who do well get fast tracked for management, where hands on experience in various roles comes in very handy. Those who don't, on the other hand, end up where they can do the least damage.
If you nail the interview, Goldman Sachs won't really care whether you studied Economics or History of Art at Harvard. The main concern is that you studied at Harvard, which signals that you're a high-performer.