> Reading the explanation involves memorising it temporarily and at best understanding what it means at a surface level.
I agree. I don't really feel like I know something unless I can go from being presented with a novel instance of a problem in that domain and work out a solution by myself, and also explain that to someone else - not just happen into a solution.
> Plato might have been wrong about the ills of cyberization cognitive skill such as memory.
How so? From the dialogue where he describes Socrates discussing writing I get a pretty nuanced view that lands pretty much where you did above: access to writing fosters a false sense of understanding when one can read explanations and repeat them but not actually internalize the reasoning behind it.
Plato might have been wrong about the ills of cyberization cognitive skill such as memory. I wonder if two thousand years later from then, we will be right about the ills of cyberization of a cognitive skill such as reasoning