Clean Architecture is a terribly written book with generic, inactionable advice, and where it makes sense, it makes sense for server-side environments in Java, but would result in over-engineering for mobile OSes which have only become more and more tightly integrated over time, therefore encouraging necessary tight couplings in code (e.g. lifecycles of applications, views, and background and concurrent tasks). I’m afraid I don’t think that mobile developers who are advocating this approach are thinking very critically, and are instead imposing a silver-bullet architecture on problems, instead of letting the right solution or architecture emerge from the right problem.

MVVM is also just an augmentation of MVC but it is still inherently MVC—and especially in iOS, the “view model” is really just a model- instead of a view-controller—so I really don’t understand why there are ever programmers who talk about MVVM as if it is different from MVC.