It's the truth. What else would you call a professor at Stanford and a Biochemist? Blue collar workers? Her father taught classes at Northwestern and Yale. But, yeah, that's middle class.
Simple logic test. Let's see if you find this cute.
Is Stanford considered an elite university? Yes. Would that also mean those who were tenured professor there are part of this elitist group? Yes. One, and one, equals?
Let's use Venn Diagrams if that makes it easier...