I heard they are bad luck to shoot too. Then again...if I've been freezing my butt off for a week hunting... and not seeing anything... then a pinbald buck walks under the tree on the last day.... that deer is toast!
I hunted a piebald doe all season last year... The only bad luck I found was that she was always around when I was scouting but never around when I was hunting! I did see her after I packed up and was heading out one evening when leaving the woods...DOH![smirk]