I'm familiar with the gist of the Orthodox argument, but to say that Augustine influenced the West is only stating the obvious.
I ain't enough of a Patristics scholar to debate you or the other EO folks very long on this point. But I say again, and just as strongly, if you think that some monstrous deformity cannot be twisted out of the Eastern Fathers as easily as the Western, you are living in a strange world.
Well, one can wrench just about anything out of anything if one puts ones' mind to it. But with Augustine, it's easier. One can wrench a lot of terrible ideas from the Bible, but it's easier to do that with the Koran.