I have to admit I find the author's insistence on defining a component as a function to be a big red herring. Instead, it feels like the presence of JSX outsi

I have to admit I find the author's insistence on defining a component as a function to be a big red herring. Instead, it feels like the presence of JSX outside of the component's render() method is the (potential) code smell. It doesn't help that several popular React & React Native tutorials out there, for understandable simplicity, opt to use "renderSubThing" methods. In the examples and in my own code so far, I mostly find those sub-render methods to be a proxy for "I don't want to break stride to make a new component, so I'll jam this stuff in a method and refactor later." That's great, so long as the refactor actually happens. (Hm, that'd be a great candidate for a vim refactoring plugin...)