Imagine children pondering their future development. They envision growing up, but they also see themselves start caring more about work and less about play. Children consider those extrapolated values to be unwanted, so they formulate the scenario as "problem of growing up" and they try to come up with a safe solution.

That is something we consider at the FHI - whether it would be moral (or required) to allow "superbabies", ie beings with the intelligence of adults and the preferences of children, if that were possible.