Well, the most basic pro is to avoid indentation and have pure function which are clear and have less assumption to take into account; if I know that my pipes a

Well, the most basic pro is to avoid indentation and have pure function which are clear and have less assumption to take into account; if I know that my pipes always return me a result such as the one I want, and the "bad path" is discarded automatically, code is way cleaner. Imagine a code without `if result is not None` basically!