Re: What to think about this video ("Ueshiba the Archmage?")
Just kidding. In my experience, the "no touch" thing is usually related to a [hyper] sensitive partner working off the direction of nage. Consistent with Robin's comments, this is often during exercises of martial timing and space. In other words, rather that contest a spacial relationship, uke simple abdicates the space assumed by nage.
I suppose he could be throwing ki balls and I cannot prove that he wasn't, but there are several great instructors who can explain martial distance and timing.