First. tough to answer a general question. Specifically, in the ITF system the partners are initially positioned so that the attacker's strike will impact the defender. However, as shown in some examples the Defender moves rearward as the attacker moves forward. IMO the concept of "Getting the heck out of the way" is invaluable. Secondly, I don't know what system you practice or how you choose to practice it. Apparently it does not contain any traditional stances nor does it ever involve bringing the opposite hand back to the hip because you never see that in real fights or sparring. That is what you choose to practice and there is nothing wrong with that.