How does this "offer a lifeline to dairy farmers" when there is *already* so much milk floating around in the US that I'm buying it on sale last week for ¢69 a gallon?    
I mean, it'll cut waste for the dairy company and help consumers whose milk goes bad before they finish it, but that will just make the milk surplus hurting dairy farmers worse:   
http://www.thebullvine.com/news/global-milk-surplus-set-to-contain-prices-rabobank/     
http://time.com/4530659/farmers-dump-milk-glut-surplus/