Earlier quoted context omitted.
These are just pranks made by 4chan and their ilk. The circle of life on this sort of thing, I think, goes something like: Come up with a contrived reason milk could be considered racist, film a video or whatever about chugging milk while making a racist screed, get criticized for being a weirdo, and then some reactionary clickbait site can have the headline "Internet user called 'racist' for drinking milk." It is du…
Didn't 4chan also create the OK hand sign racist as well? Now there are people who genuinely believe the OK sign is racist.
They spread the rumor that the OK symbol is racist.
Some people go to racist rallies and make the gesture.
Is it now a racist gesture? A gesture can't really be racist I don't think, it is the intent behind it. In the case of OK, it doesn't provide much extra information, right? If somebody is making it at a racist rally I guess it is a bit redundant. If somebody makes it while scuba diving I guess they are really indicating "OK."
The OK gesture was an effective pick because, it has mostly been supplanted by thumbs up to indicate all's good anyway. So it doesn't have much counter-pressure. I don't think milk consumption is going anywhere.