If you stand with one foot in a bucket of ice cold water and one foot in a bucket of scalding hot water, you're not comfortable on average.

The imbalance is a problem because of things like lone grandchildren inheriting the houses and wealth of four grandparents and others inheriting nothing. It's a problem because some areas have established fine education structures that cannot simply be shifted to another continent. It's a problem because the youths aren't where the jobs are, and haven't been educated by a system that's tuned to the jobs in that area. And so on.