AR will always be somewhat awkward until you can physically touch and interact with the material things. It’s useful, sure, but not a replacement.
Haptic feedback is probably my favorite iPhone user experience improvement on both the hardware and software side.
However, I will never be able to type faster than on my keyboard, and even with the most advanced voice inputs, I will always be able to type longer and with less fatigue than if I were to use my voice—having ten fingers and one set of vocal cords.
All options are going to be valid and useful for a very long time.