> Unique among universities, it has something called a "precept", which is a small group meeting once a week, led by a grad student or sometimes a professor, to debate and discuss the issues.

How is this at all different from the concept of a "section" that AFAIK exists in most every other university?

> Most of my friends at Princeton were considerably smarter than the professors who taught us,

Seems like a very confident, insufferable and non-falsifiable statement to me. Maybe this was more true 40 years ago than today.