by running length do you mean just tip to tail over the top?
BECAUSE ITS WHAT THE PEOPLE WANT!
haha sorry for the caps. but yeah its cause its what the people want, and not to speak for the guy, but all i think he is trying say is that in his experience it has worked better for him to not mount dead center, but instead at the balancing point. hes just providing some other ideas and a little bit of first hand experience for other people to choose to either use or not use when decided where to mount thier own skis