Slow is half the point though! Memory has a very limited bandwidth.

The other half: https://www.mdpi.com/2075-1729/15/3/345 and a plethora of others.

>Handwriting activates a broader network of brain regions involved in motor, sensory, and cognitive processing. Typing engages fewer neural circuits, resulting in more passive cognitive engagement.

Yes, that's exactly what I mean. If I'm focusing on what my hands are doing I'm focusing less on the material proper than I'm trying to digest.