Re: Just my thoughts
Why waste your time challenging something that has already been challenged and proven to work? O'Sensei and Takeda Sensei has already proven that this stuff works, plus, all the great Senseis that has come after them. The challenge is to make sure that it works for you as well as it works for them. It already takes on average 5 years to get to the Shodan level, just think how long it will take you if you challenge everything.
On the one of the other points, not all styles, Senseis, or individual dojos put the aiki in front of the budo. I can tell you that from personal experience. Like the previous poster stated, check around and you'll find it.