His main argument focused on how such a tax ignores one of the fundamental incentives that drive humans to create and save wealth: the incentive of family creation. We work hard so we can enjoy the fruits of our labour, but also so we can ensure the welfare of our children and our spouse. At a deeper level, elucidated Friedman, we are hardwired to value the utility that our children will get from consumption higher than we value our own – this is particularly ironical given the fact that we have several reasons to believe the next generation will enjoy a better standard of living than our own, just as we enjoy a better standard of living than our parents’.