Christopher Li wrote:
I was talking about the "in the long run" part. My point was that some of Takeda's top students (including Morihei Ueshiba) were never trained in a group environment for any significant portion of their development.
I would counter that Ueshiba trained with his many students and developed himself in that fashion. Instructors like Yamada sensei who left the Hombu after 6 or 7 years to become instructors have vastly improved their skills in the last 40 years. They did so because they were professional nages doing techniques to many different people. To me that's a group.