Detect it? Many majors specialize in it.
Remember Alan Sokol and the Social Text affair?
And yes, a great many majors will need to be abolished if we want to return to Prof. Smith's vision of education.
The American university is in much need of reform, but that reform must preserve and restore the university as it classically existed, not turn it into a polytechnic (though we should create a lot of those), not remodel it after the manner of a profit-making business (an enthusiasm on the right), nor as a social program (an enthusiasm on the left).