Surprising words from a milk retailer, eh? It’s typical of the copy, which has that earnest, scientific tone common to the era. It’s as if you have a civic duty to drink milk, and a moral obligation to use the fruits of Western Science:
“Every Knudsen plant represents the ultimate in efficiency and cleanliness. Only the most modern dairy processing equipment is used, and each processing operating is performed by skilled personally under the direction of highly-specialized supervision.” Thereby proving that the imporance of milk can, in fact, be over-emphasized.
Here’s something to think about: that boy is now in his mid fifties. Providing he drank his milk! Otherwise he's probably dead.