> They have no idea if: Some professors more effective teachers than others. What are you even talking about? Literally every course at most universities end w

> They have no idea if: Some professors more effective teachers than others. What are you even talking about? Literally every course at most universities end with an evaluation. Obviously, there are other problematic ways to measure effectiveness (publications). How much that data gets used is another question and varies widely by institution. “People in tech businesses” love to exaggerate the quality of the data they have and its usefulness, hence the Subprime Attention Crisis that is rapidly eroding their cash on hand as the Fed’s cheap money and QE dries up.