For the overwhelming majority of people, doing is necessary for understanding. If you read a math or physics textbook, you might think you understand it but you won't until you do some questions. Even a history book is deceptive. Much of it will be in one ear and out the other unless you take notes, summarize, ask yourself questions, place things in a mental framework, etc..
When you rely on AI to explain code to you and then make changes to the code, the AI does most of the doing.