"Aikido techniques depends on blending with the force of the attack. It is that force which determines the movement....." Page 180 Aikido and the Harmony of Nature
I have the first edition, and the page numbers appear to be different so I couldn't find the quote. Nonetheless, if you were here I could show you in a couple of minutes why that doesn't really work very well. I'm not saying that what Saotome is doing is wrong - just that this single phrase most likely doesn't represent a full representation of what he's doing.