National food chains moving into the "dirty soda" business

Lovers of the "dirty soda" might be glad to have more choices. The style of drink got its start here in Utah, and now national chains are moving into the same world. In case you don't know, a dirty soda is a non-alcoholic creation using soda pop, creamer, flavored syrups, and even fresh fruit. But as chains like McDonald's start offering these drinks, are they doing the original companies... "dirty?"