Last time I cared about MVC was AP Computer Science. Model is fine, but there's no reason for view vs controller. The UIView vs UIViewController thing in ObjC/Swift was one example of the silliness, something for devs to waste time arguing over. React (Native) refreshingly had no such thing. Angular was all about MVC, but they recently slimmed it down.

Also, a while back it was way less common for UIs to have backend services. Nowadays those have taken away most of the "model" side in a lot of apps.