Well, you see, they have a complicated relationship with beverages over there in Mormondia. Like all religions, Humans find a way to get little God Loopholes, performing unheard-of rules lawyering antics, that eventually arrive at a conclusion of "Cola / Soda is fine with God". I can't speak to the candy pieces, that just has to be some kind of capitalist "innovation" on their part. I'm pretty sure the heavy cream is supposed to provide them some kind of replacement for the "coffee" aesthetic / sensory experience, that is if coffee was carbonated...