Of course I hope the tapes will be a complement to lectures and not an alternative. The new situation offers more freedom, but with it come change and uncertainty. Every innovation implies an altered set of rules. Most definitely, students have learned to deal with the old rules. After long acquaintance, they more or less accept those rules as fair.
Any alteration implies that somehow or somewhere, an extra effort is required.
This is not so welcome. I have no means of compelling students to attend class, and don't want any. I had offered a focus on the important points, with the medium of speech to emphasize them, but now the videos offer speech too. I really don't know. Perhaps in the short run, the lack of anything better to do will bring most students to the classroom.