In addition to the other answers: Because Apple could and I bet they sure will add hardware optimizations in future Mn chips for apps made entirely in Swift+Sw

In addition to the other answers: Because Apple could and I bet they sure will add hardware optimizations in future Mn chips for apps made entirely in Swift+SwiftUI+Combine etc. Also I don’t think Flutter comes close to how SwiftUI spits native paradigms for each device like Mac, iPhone, iPad, Watch and TV from mostly the same UI code.