I'm not being flip. The super-rich and the plebs mostly don't mix at elite schools
That wouldn't fulfill the more traditional aspects of education, but it would give American businesses a pretty tangible leg up over cultures that, eg, try to do everything in the family. It'd be a good deal for everyone.
Time and time again, I was only aware of my friends' affluent backgrounds years after knowing them well.
We are inclined to see the best in our allies. Have you considered in this case your value as a connection, and characteristics as a person, may influence how others treat you? You may have had a different experience from a different perspective.
My observations were that most people are nice, but there are certainly cliques, and even some pretty bad bullying, at a different elite school.
I was an engineer. It's not obvious to me why in undergrad anyone would have viewed me as an important connection, although it's impossible to have the perspective to reflect on that without some bias.