Earlier quoted context omitted.
Myopic is inevitable, to some extent. It's very hard to project this stuff. Socrates wrote about what was being lost as philosophy was becoming written rather than oral...and he was right. We can't even understand what was lost. Many methods of learning and thinking became entirely lost. You could say they were redundant, and they were. But... writing largely replaced oral traditions. It didn't just augment them. He…
I'd say that by purging stuff from the brain we are losing thinking itself. Thinking is manipulating ideas and concepts in your head, assembling and linking. The fewer things there is, the more primitive the result. You cannot juggle without object to juggle, connecting the dots result in trivial patterns when you have just a couple of dots.
Interestingly, he placed a lot of importance on memory... where you emphasize manipulation of concepts.