It’s not the looking-at-th-screen-thing, but rather the switching-the-camera-on-in-the-first-place-thing, the understanding-anything-at-all-while-the-screen-is-covered-in-people-thing and the not-being-a-total-exhausted-mess-who-needs-an-hourlong-pause-to-function-again-afterwards -thing.
It’s not the looking-at-th-screen-thing, but rather the switching-the-camera-on-in-the-first-place-thing, the understanding-anything-at-all-while-the-screen-is-covered-in-people-thing and the not-being-a-total-exhausted-mess-who-needs-an-hourlong-pause-to-function-again-afterwards -thing.
So no, wouldn’t be useful, I am afraid.