Glad you like the article.

Structs in SwiftUI are an interesting beast, but at their heart they're just lightweight definitions of views, created and evaluated and compared many, many, many times during the course of an app. As such I can see why structs are a better choice.

If you haven't read it, you might read Deep Inside Views, State and Performance in SwiftUI where I go into more detail as to why SwiftUI is what it is. https://medium.com/swlh/deep-inside-views-state-and-performance-in-swiftui-d23a3a44b79