OP here, and I think I agree with what you've written. Lecturing and textbooks are both means of conveying information. Students can seek out information on the

OP here, and I think I agree with what you've written. Lecturing and textbooks are both means of conveying information. Students can seek out information on their own time, but the act of teaching is helping someone else construct an understanding. That's the key thing software can't do.