Okay I think the author is severely misinformed as to why we use React. I say this because the very first thing he says is to use MVC architecture and then goes on to write his own framework ( from scratch??????? ) ...Why? This solves none of the problems React was designed to solve and only makes things more complicated by introducing new APIs only you know. Yes, this approach with vanilla JS is great for small apps…
I'm not really fighting you on the merits of frameworks (which should be obvious to everyone), but are you implying that implementing a design pattern is equivalent to building a framework?
React could also still be implemented as part of the author's view because they haven't covered any of the problems with large cascading data updates. So there's literally no argument against React in this post. It's basically just a post about how to implement a design pattern in a language, React doesn't even need to be mentioned. I might even call it click bait.