Because Coke zero and Pepsi max are actually better/mildly healthier to drink than that swill. Check it for asparteme, then stop drinking it. Better, by comparison of the rest, like fruit juices have shit-tonnes of sugar, especially from concentrate, milk is decent, I'm sure there's a study showing whole milk being arguably better than the other options. Maby has something to do with the skimming process removing neutrients? I may be too tired to google at 3 am.