When the child of a single-parent immigrant who cleans houses for a living spends every day at college hanging out with the child of a Broadway producer, sometimes accompanied by friends at many socioeconomic levels in between, you know that a college has achieved something beautiful with its efforts at socioeconomic diversity. That is one real-life example among many.
There are many stories, like original post for this thread, that note limitations and failures of colleges’ efforts to diversify. But there are also stories of the successes, like the admissions counselor in the original post who went to Skidmore and the Williams kids I described above.