I can legitimately see some people having problems with milk. That is when they are lactose intolerant. I also have a lot of questions about the fact that cows that are on antibiotics can pass on residue through their milk. A lot of farms will throw out milk from treated cows but in some places that's voluntary to even test/do (and no doubt some places probably try to skirt around it to increase profits or if they cannot afford the hit). There are many people who are allergic to different common antibiotics that have versions used in livestock. So what is the implication? Of course for fats who sit there and reject "non organic milk" it's not for any intelligent reason. It's just to pretend to be healthy or informed.