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Unequivocally yes. Not every usage of a screen in education is beneficial.

But there are absolutely numerous use cases where being able to display graphics on a screen (or even better interactively) is a massive benefit. Think of any sort of science that's better shown with animation than just a static image on a page for example.

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Sure, no doubt, a video can sometimes make things much clearer. A great example (to me) is this [1] for example. I had understood from the old illustrations that I was supposed to imagine something like that, but video makes it incredibly clear.

The actual net impact of screens in classrooms, however, appears to me to be extremely negative, and I think learning outcomes bear that out.

[1] https://www.youtube.com/watch?v=wrwgIjBUYVc

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