Milk not sweet enough?

Making the TV news, some dairies want to add aspartame to milk, and not mention same on the milk bottle label.  Fox is running an interview with a sincere looking dairy farmer, out in the barn, surrounded by contented cows, explaining why he would never ever add artificial sweeteners to his milk.
   So what is really going on here?  Milk is tasty and sweet. Even as a child milk tasted good and we drank as much of it as Mom would allow.  Mom never served chocolate milk, just the plain white stuff, and as kids we lapped it up.
   So why would a dairy want to sweeten an already sweet product more?   Could it be their cows were giving really horrible tasting milk?   The pasture is full of garlic and wild onions, adding a strange taste to the milk that needs aspartame to cover up?
   Do they think children like things really really sweet and they can increase sales by selling super sweet milk?  Don't they realize that milk is purchased by mothers, not kids, and mothers will buy natural and wholesome whether the kids like it or not? 
   Personally I like ingredient labeling laws so when I care, I can find out what's in it.  Seems reasonable to require dairies to list aspartame, and any thing else that's inside a milk bottle.