To devils advocate, though, what if automatic transcripting of text from video actually worked reliably? You might then get many of the advantages of text in vi

To devils advocate, though, what if automatic transcripting of text from video actually worked reliably? You might then get many of the advantages of text in video form: ability to search, copy-paste, fast forward and backward while still seeing what is going on. You would still see the presenters ugly mouth flapping up and down, however, which might be thought a negative.