Anything an instructor says or presents in a classroom belongs solely to the instructor and not the university or the students. This innate invocation of the right to Copyright original spoken and written material belongs solely to the mind creating the information: The Instructor.
If a student or university takes notes based on a lecture and then posts those notes online or re-sells them to other students or businesses for distribution, the Instructor’s Copyright has been violated and the student must pay for that intellectual property violation.
If students or colleges record video or audio of an Instructor lecture — without explicit, written, permission — the same law and punishment apply: Recording material you do not create and then distributing it later for profit — or not — violates the creator’s initial right to control their own material.
Instructors are morally required to vigorously defend their Copyright in any and all circumstances and, if they must, reap the rewards of their intellectual rip-offs.