Ozzy, if I'm wrong plain and simple, then the technicians and writers at CNet and other sources (see below) are also wrong. What most of these sources say is that cable length determines picture quality as does the HDMI sending/receiving circuitry in your components.
http://www.audioholics.com/audio-video-cables/truth-about-expensive-hdmi-cables
http://www.audioholics.com/audio-video-cables/truth-about-expensive-hdmi-cables