I Feel JKogas got the right point,,,In class with Oshima Sensei/ at Seminars with a variety of style....
perhaps, 15% of students and (Sad) 30-50 % of Dan rank could punch or chop, drop the dan rank stats for kicking to 30%.
Oshima Sensei DID have half classes on striking as He must have seen sad @!! Aetemi as well as unfocused attacks, sure...attack beginners slower, but throw a good technique such that if they dont at least move they get tapped. I know I was Koncked during bokken-tori...
do not try to spork the post, for that is impossible, only realize there is no post to spork