Furthermore, students can remain interested in a subject, but just not search Google as actively for it as they did during the school year: you typically search

Furthermore, students can remain interested in a subject, but just not search Google as actively for it as they did during the school year: you typically search Google when you have a specific question, not a general interest in a topic. For example, when I took a class on the theory of computation, I was actively searching for terms related to the subject (PCP, Savitch's Theorem, etc). I remain very interested in complexity theory and I'm happy I took the class, but my Google search frequency on the subject has definitely decreased. I think it's clear the author has an agenda, and just uses the data he noticed as a way to segue into his diatribe.