Here's my question: what was the gosh-darn hurry where she could not pull the car over and nurse, and THEN resume the trip?
And here's my concern: for the baby. If a car (even several vehicles ahead) that had stopped suddenly at freeway speeds, it would have been extremely difficult to stop without rear-ending the car in front of her, or being rear-ended by the trailing car (or both). Your baby's head would take the majority of the unfortunately deadly impact.
And here's my question: Is it worth the risk?
Never mind parsing the laws. Laws are cold comfort to someone who has lost a child, or any other loved one.
Is it worth the risk?
Shame on you for thinking that this guy or his wife is a responsible adult. Their time is more important than other's safety.