[mrkeen]

The author doesn't have a problem with students getting the notes. He only has a problem providing the notes.

> It is unimaginable to me that I would have ever asked one of my professors for their own lecture notes. No, you can’t have my slides. Get the notes from a classmate.

[aprilthird2021]

The notes from a classmate are a distillation of the lecture, not the professors own material. Again, it's all pretty sensible for a teaching, grading the students on how they learn, environment