Exactly right. People also forget that while the parent works 8 hours a day, the kid is dropped off before and after commute time which means the kid may be in daycare for 9 or 10 hours. So if you get infant care at $175/week for four infants divided by 50 hours, you get $14/hour and that is gross revenue to the business. If you happen to lose an infant to a parental move, now you are losing money for that class. You can do better on the 10+ kids because the ratios are much better.

As you said, we are valuing time more and more. I can't imagine what childcare would costs with a $15/hour minimum wage. A lot of mothers would probably be forced to give up their job.