i don't know why people wan't to keep cloning osx, it might looks nice, but time has proven its a quite unproductive gui
That might not seem like a big deal, but if the goal is to get as many people switched away from commercial operating systems as possible there needs to be a healthy range of conventions/workflows represented by meaningfully different DEs so more users find one they can slip on like a comfy pair of shoes. For most people, switching desktop paradigms is something they want to avoid if at all possible because of the immense friction it brings.