In my experience, the larger your codebase, the more you appreciate these features: - a strong type system - a pure functional language so you have referentia

In my experience, the larger your codebase, the more you appreciate these features: - a strong type system - a pure functional language so you have referential transparity - an IDE that helps you with refactoring If your project is small than you can do without all of those, actually they might even slow you down. When I read the article, I get the feeling that this particular team was working on a small codebase.