Earlier quoted context omitted.
They had many WWDC sessions covering 3D objects especially with the Unity integration [1] and their Reality Composer Pro [2] tool. Both were covered during the keynote. And if you look on Youtube there are countless videos of third party developers developing 3D apps. It's just that they are positioning the device as a spatial computer i.e. something you use to get real work done. And right now for 99% of people that…
I take their point as a problem of control. Picking up objects with hand tracking is, in my experience, much less deterministic, and much less useful, compared to picking them up with a button and haptics.
Definitely agree with haptics which many have mentioned is an issue.