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I can teach symbolic math effectively using clay tablet and reed pen today.

Numerical methods, however, would require at least minimal computing hardware.

I think there should be a guiding principle of using the least amount of tech in teaching any subject, just like principle of least privilege in cybersecurity.

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You hit on the head something that I've been trying to put into words for a while now: it seems that the benefit of technology to increase learning appears to be a bell-shaped graph where for each combination of subject matter there is a sweet spot where the level of technological assistance becomes helpful but after which it replaces too much of your own internal neuron-connecting processes and inhibits learning.

That's a strong observation. And I'm wondering if humans will adapt; or if the intensity of "heat and light" required to "weld" connections together is non-negotiable.

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