It's more accurate to say you depend on the teaching/explaining talent in addition to code talent. Why is that a problem?

I've never heard anything as helpful for learning as the Feynman technique: https://fs.blog/2021/02/feynman-learning-technique/

The article's mention of "best practices" rings incredible true. If it's a "best practice" you should be able to easily list a half dozen reasons why. Otherwise you don't really understand what you're talking about.