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What’s wrong with using a Claude code to write a possible initial iteration and then go back and review the code for understanding? Various languages and frameworks have there own footguns but those usually are not unfixable later on.

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AFAICT you learn significantly more in building something from the ground-up than you do when code-reviewing someone else's code. In my experience you really don't build the mental model of how the code is working unless you either build it yourself, refactor it yourself, or you have to heavily debug it to fix a bug or something.

In my experience, determining what to write is harder than how to write it, so you deprive yourself of that learning if you start from generated code

I actually think this helps in that learning - it's sitting alongside a more experienced expert doing it and seeing what they came up with.

In the same sense that the best way to learn to write is often to read a lot, whether English or code. Of course, you also have to do it, but having lots of examples to go on helps.

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