To clarify, I too was before the time of laptops and recording technology being available. MiniDiscs had just come on the scene then and the notes are worth nothing without what appears on the OHP and the contextual timing of them. Video recording was impossible.

Really every lecture should be recorded and links handed out to students.

A big killer is that the lecturer has been doing the same lecture for 20 odd years and is complacent or prefers to defer feedback to the end. Everyone is lost then. Same with meetings. Questions at the end? Context gone!