I'd like to say: Consider the source. How many of us, after years of training, really understand Aikido to really say what Aikido can do? I doubt there's anyone.
Too right mate.
Aikido is a life long process that none of us can complete. It requires the lifetime work of growing learning and practicing
Even O sensei admitted himself that he will never finish the Aikido journey. If the creator did not finish, how can we?
Personally, i like the idea that i will never finish as it allows me to raise the standard of the next generation that will follow me. If i learn say half, i would expect my students to learn 3/5 through my teaching, their own understanding/ adaption, other instructors and courses etc.