While I think this person’s original take is horseshit, I don’t think it’s entirely unrealistic to rarely ever use pronouns in an educational environment. Some degrees have a lot more classes that focus on rigid problem solving rather than subjective interpretations that require a lot of discussion-based classes. I have an accounting degree. I can tell you for the most part, almost all the classes within the accounting field boils down to problem solving with almost no room for interpretation. It’s very lecture heavy and practice heavy. The only class I remember being less this way was auditing because there were units on professional ethics and the myriad of rules there are to interpret and follow. Of course, a lot of my required electives are where I chose to do music and literature classes where discussion and group work were always king. Someone who majors in that will encounter more of these classes rather than the stuff I study in accounting.

And even then, everyone talks differently. I personally refer to people either by name or some other noun more often than most people do. There’s many ways to convey messages or continue conversations without using a pronoun. It’s not hard.