The real lesson they need to learn is to add the right UI components. Apple did that right. There gradually added and styled tab bars, sidebars, etc. It didn't

The real lesson they need to learn is to add the right UI components. Apple did that right. There gradually added and styled tab bars, sidebars, etc. It didn't come on day one. If they can do that maybe we get a framework that actually adds components necessary to build good desktop applications.