Few things upset American college students more than being told they aren’t oppressed. I recently spoke at the College of the Holy Cross in Worcester, Mass. I argued that American undergraduates are among the most privileged individuals in history by virtue of their unfettered access to knowledge. Far from being discriminated against, students are surrounded by well-meaning faculty who want all of them to succeed.

About 15 minutes into my talk, as I was discussing Renaissance humanism, a majority of the audience in the packed...