Re: The Word "Aikido"
O Sensei also wanted people to get more independent. (take a moment to consider the era in which Aikido was developed)
To impose rules which define the art would in itself be a system that people must adhere to. Quite contrare to what he wanted to achieve.
In his view it might not be so bad that Aikido evolves away from the martial as long as (more) people share their knowledge and help eachother (to better the world).