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.

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