The judges at schooling shows are often not rated judges. Just someone.....I would have complained BIG TIME to the show organizer if a judge had made any such comments.
As for paints in dressage and eventing. Someone is making huge profits breeding pinto warmbloods. They are highly sought out in those disciplines. Check out Art Deco and his get.
As for the more subjective, none performance based disciplines....I won't comment for fear of flaming.