Fraternities and sororities are just high school cliques translated into a college context. They exist to make a few people feel wanted and many more feel unwanted. Contrast the purpose of fraternities with the rhetoric of inclusion and multiculturalism that issues from the mouths of university administrators.
In most four-year college strategic plans, there is a good-faith statement calling for increasing diversity as an institutional goal. There are good -- even noble -- reasons for doing so. The proof is in the execution. And that's where American colleges and universities have a role to play and much still to learn.