I don't this the author is advocating dropping all frameworks, and certainly not making your own custom framework for every project. The point is more moderate than that: There is just to much reliance on frameworks in general, especially in SPA/front-end development. Frameworks work great until they don't, and then what? Over-reliance on frameworks does create a dependency on the developers, they learn to implement their framework of choice instead of learning good software design. And worse, this can foster the belief that frameworks are a necessity on every project. When all you use is a hammer every problem looks like a nail. Frameworks can be a force-multiplier, but they are also constrictive in a lot of ways. I have run into this first hand, especially with longer-running projects.