Weetabix advert

I can't understand why weetabix haven't gone down the idea of someone's had their weetabix today? It is such a common saying so the advert works perfectly there is almost a sense of the tenseness that you get when watching a real race and you have to stop yourself and actually think no it's a human in a race against horses where it is impossible yet the humor it portrays makes the advert memorable and entertaining which so many adverts on t.v. don't do. most such as the go compare advert seem to go out of your way to irritate you. The advert was designed to almost be so irritating yet it makes you switch it over. strange