Or old stock rural Americans. There are plenty of towns in the USA that have extremely high social cohesion, because there are so many kinship networks going ba

Or old stock rural Americans. There are plenty of towns in the USA that have extremely high social cohesion, because there are so many kinship networks going back centuries. Keeping in contact with your extended family is normal human behavior. This hyper-focus on the "nuclear" family and the "individual" to the expense of broader ties is what's unnatural and ultimately, if fertility numbers in the societies that adopted that outlook hold steady, unsustainable.