this is a genuine question, before people start attacking my intent on the subject
many of the people currently teaching aiki and Aikido follow the thinking that O Sensei was a martial genius who had a mastery of "Aiki"
As most of these people training "aiki" nowadays have never met O Sensei, how do they know this? Disregarding second hand stories, and verbal accounts.
Looking at video footage, can this be seen through body movement, training methods, mechanics etc of Ueshiba Sensei or not?? What is it that can be seen? How do proponents of today's aiki know this immense skill was present??