Moreover, this almost makes sense as a security mechanism. A keyboard is a one-way input device; You don't get feedback from it. A monitor provides feedback that's fuzzy - Harder to exploit via a visual image where you're expecting and parsing text than a direct digital link.
And a link directly to that scene: https://youtu.be/iHil4Y4r3Wk?t=2748 and the other time they show it: https://youtu.be/iHil4Y4r3Wk?t=3297
Moreover, this almost makes sense as a security mechanism. A keyboard is a one-way input device; You don't get feedback from it. A monitor provides feedback that's fuzzy - Harder to exploit via a visual image where you're expecting and parsing text than a direct digital link.