Exactly my approach to gaining knowledge and learning through building your own(`npx genaicode`). When I was presenting my work on a local meetup I got this exact question: "why u building this instead of just using Cursor". The answer is explained in this article(tl;dr; transformative experience), even though some parts of it are already outdated or will be outdated very soon as the technology is making progress every day.

Exactly, dude. This is the most important thing, the fundamentals to understand how this stuff works under the hood. I don't get how people aren't curious. Why aren't people being engineers? This is one of the most transformative things to happen in our profession in the last 20 years.