Absolutely not. Learning has been to experiment with the things until you form a effective mental model of the thing. Writing things does ab-so-luetely nothing except make you feel good in the moment. Just like listening to a lecture without engaging with the subject matter deeper.

Writing things down is important for organisational persistence of information but that is something else.

Writing is better than reading, but doing is better than writing.

How does this apply to coding when the act of writing IS doing? Or do you mean like coding "on your own" versus following a tutorial for example?

Means writing code (doing) vs writing documentation / plans / project architecture documents and so on.

Writing code is doing

Choosing what to write down is making a mental model, extracting the core and thinking about the subject.

Seems to me you're just a bad note-taker that blindly writes things down, and for some reason decided to use that lack of knowledge in a tirade against me..

Not sure humanity learned nothing before the last 8000 years. It was just very slow. Maybe we will need new ways to learn