Weight Distribution (WD) Hitch --- How it Works

I think the manufacturers view is this:....

The manufactures view point is probably not the view point of their engineers. Their statements are more than likely designed to help the layman understand WD system easily. If you are trying to sell hitches you probably want to keep it simple. Additionally if this is going to be tagged at the top of a forum (as suggested) for Newbies to read it should read well and be easy to understand.