For it to be useful, they need 3rd party developer adoption. With it available on just one device, it's already hard enough for them. Why restrict their cool ne

For it to be useful, they need 3rd party developer adoption. With it available on just one device, it's already hard enough for them. Why restrict their cool new tech to an optional status? Seems to me that Apple sees this as the future of interacting with your Mac. They are going to push it as hard as they can to drive adoption.