Also, the 50% statistic is from all marriages, not first-time marriages. The figure goes way up due to people being divorced, married, divorced again, ad nauseam. I remember the first-time marriage divorce rate being somewhere in the range of 27-33%.
Because changing your product, which specifically appeals to the target purchasers because of what you're changing, is going to make your product revenue take a nose dive? It should be obvious why they're fighting it with lawyers. Hopefully the laws are ironclad and upheld so Kellogg's gets their shit pushed in.