I don’t think the author is arguing that you have to replace your React applications with vanilla JS, but instead of using React by default, you could consider

I don’t think the author is arguing that you have to replace your React applications with vanilla JS, but instead of using React by default, you could consider using vanilla JS. The tree things you mentioned might be important to you for a specific project, but these are not requirements for every project. So instead, do what makes sense to you. And remember that you don’t always need a framework to achieve what you actually need.