Given the fact the OU is a recognizable name and would destroy their reputation if they declared something kosher when it was not and they did the actual painstaking research, their opinion must be given promimance – See more at: http://www.theyeshivaworld.com/coffeeroom/topic/kitniyos-expansion#sthash.VR8FS9dL.dpuf
Like putting their symbol on the outside of a package with treif food inside? Or putting OU Pareve on something that contains milk? http://www.theyeshivaworld.com/coffeeroom/topic/ou-kashrus-is-not-reliable