Sure there is. They can't upgrade to a larger house when they have another child because they won't be able to find a deal that compensates their huge property

Sure there is. They can't upgrade to a larger house when they have another child because they won't be able to find a deal that compensates their huge property tax increase. They have to live with the crushing reality that their children most likely won't be able to live in the area unless they were the percentage of those who could be successful. These are enormous costs. I agree that they may not be apparent to most residents.