I disagree with the article's summary; the tasks listed at the end (planning, documenting, testing, refactoring) are helpful but: 1. There exist successful pro

I disagree with the article's summary; the tasks listed at the end (planning, documenting, testing, refactoring) are helpful but: 1. There exist successful projects that don't rely on them. 2. They're not in an exclusive relationship to programming (e.g.: a person that focuses just on programming and that write code for themselves can still refactor their code).