...I think it was more of a warning for people who only care about rank.
I know in my federation it takes between 6-10 years to reach shodan.
I'd agree with you there and thanks for your comments. Of course, it was never my intention to imply any particular federation or group have got it wrong for taking a particular amount of time to meet particular grades. My point was that we're all learning different interpretations of the art and that these minimum requirements in the Aikikai are merely a patch of common ground that we can work on together.