No. You're limiting the style to only locking chakra pathways while in fact you can do more than that
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Look at this^^ panel for example, neji didn't lock zetzu's chakra pathway yet he started his attack with "gentle fist" c
causing physical damage to the opponent by pushing chakra out of every single part of his body. which is basically what bolt can do but only using one arm and targeting the organ of his preference
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Not to mention that even without seeing them, he can just attack the ones that are close the organ he wants to destroy since the chakra pathways are spread around the humans body i
n a large number making them hard to miss