Seems you can't understand this or you just want to ignore it. There's no scan because obviously as stated, the byakugan makes the style more effective since it sees the tenkutsu points while the gentle fist deals the damage. Byakugan see, gentle fist does the damage.
Like how you compared the byakugan to the sharingan. Lol did you forget 3T Kakashi was still able to do the basic things the normal 3t could do but couldn't do the stuff 3T Itachi and Sasuke were capapble of doing ability wise. Did you forget the sharingan and rinnegan are totally different from the byakugan. You're saying "Obivously" with no proof.
Must they do it for you to know they can? Let me just break it down for you. It makes it effective. Why would they be foolish to use it in a battle without the byakugan that can see 360 degrees and can sense attacks?
The byakugan has a blind spot and he uses rotation to cover up for the short coming of his sight.
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. This explains the use of rotation even better
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Are you going to tell me that the byakugan enables him to release chakra from his body? Lol that that scan says "
even a jounin can release from the hand or leg. Neji who has mastered the "gentle fist" can release from all over his body."
Air palm works by pinpointing the user's vital point .