Mcdonalds has NEVER SOLD ICE CREAM ever in the USA. Mcdonalds has NEVER SOLD ICE MILK ever in the USA. Mcdonalds has NEVER SOLD MILK SHAKES for over 30 years in the USA. The USDA regulates definition of "ICE CREAM" "ICE MILK" and even "MILK SHAKE" and Mcdonalds chooses to not use much dairy its its desserts. https://www.businessinsider.com/mcdonalds-shake-is-not-a-milkshake-2017-6?op=1 TOP SECRET FACT : for 40 years one of the thickeners used in the "shake" was a LAXATIVE , designed and sold as a chemical approved laxative, by FDA, but also allowed as a thickener in smaller doses. Drinking two big shakes would make most adults have raging diarrhea. The patent was a DOW patent , and should be searchable. It seems only a dozen people know this actual fact, and I cannot find it on the internet this hour. It is a fact though. Many creamy "thickeners" also loosen stool though , not just that chemical... Guar gum, Carrageenan, xanthan gum