The reason was said to be that the term 'jutsu' was not suitable because it focused on only progress of the arts and was likely to result in the idea that 'courtesy' was unnecessary, and that 'do' had to be used to clarify the concept that 'bu' was not an art.
理由は、「術」という名は技術の上達のみに終始し、「礼儀」は無用と考えることになるのでよくなく、「武」は技術でないという観念を明確にするため、であったという。