Most bodybuilders neglect working their legs, concentrating instead on the bodyparts right in front of the mirror.  Even those who understand the need to work their legs often don't have the strength or stamina or guts to do it right.  Those who do work hard on their legs often don't have the genetics for appealing leg development.  And even when you get a bodybuilder who has developed great legs, good luck ever getting to see them.

Camera people ignore the legs, like legs are beneath them (so to speak).  When you do get a good leg shot on, it's frequently hidden by a six-inch tall caption of some sort.   I remember one tv show where both announcers were going nuts about this one competitor's amazing leg development:   "Look at those quads!  That's inhuman!"  Meantime, the camera was fixed from the waist up.  It was Ed Sullivan and Elvis all over again.