[truth_]

Exactly. When I find overlapping content in MOOCs, it becomes very annoying. I don't want to miss out a valuable insight I might gain listening to a different instructor speaking for a different point-of-view. The RoI is quite low. But it has happened in the past, so I don't want to skip overlapping content. So listening to it while tidying up or cleaning the desk makes sense.

And for new content, I never watch lectures with other things. I never did. And I still find 2-4 minutes videos annoying as hell.