Once again, the “experts” have been proven wrong. It’s NOT the fat, it’s the carbs that are the problem.
Cup for cup, whole fat milk contains fewer carbohydrates than low-fat or skim because more of its volume is made up of fat, which does not contain lactose. So if you listened to the “experts” and replaced whole milk for lower fat versions you were inadvertently increasing your carb intake which is the road to obesity and/or Type 2 diabetes.
Everything you just said is wrong.
https://nutritionfacts.org/2016/11/22/how-a-low-carb-diet-is-metabolically-like-being-obese/