Wow! I hope maybe they were in a hurry and will fess up.

It is powerful, and he is an incredible man, but I think you're also missing the point that he shouldn't HAVE to do that?

I get why others might not be, though -- some of the classes (like the one I had last year) are completely unable to function on their own long enough for the teacher to do a small group. I did do as much as I could last year, but the groups were sporadic and got interrupted a lot.

My students even did a good job following the rotation routine. You could tell that we actually have a routine.