I’d have more sympathy for the writer, but “Liberal Christianity” is partly to blame for this condition on campus.
The Ezra Institute for Contemporary Christianity is an apologetics ministry offering cultural critique. From time to time, the institute offers lectures and special seminars. One such lecture last Spring was on Social Justice. Scott Masson presents a History of Social Justice.
I highly recommend this video, even if only for the audio. This is the message that needs desperately to be heard by the church.