6) It is benefiting both my Aikido and Goju Ryu. Helps me interpret bankai of Goju. Helps me incorporate Atemi in Aikido. Amazing how things - If I may use a favorite IT Term "seamlessly" fuse.
I recall my own Aikido instructor once having a student who had trained in Karate for many years remarking on the same thing; apparently he was in the middle of class when suddenly the Karateka started laughing, saying he had finally understood the bunkai behind a particular kata he had done for so long.