That doesn't mean it can't be used to achieve a goal. Selectively breeding cows for increased milk production allows evolution to find a way or ways of making

That doesn't mean it can't be used to achieve a goal. Selectively breeding cows for increased milk production allows evolution to find a way or ways of making that happen. The breeder doesn't need to worry about hormones or glands. Evolution doesn't need to worry about the breeder's motives, why are only the high milk producers producing offspring?