No matter how many communes anybody invents, the family always creeps back. You can get rid of it if you live in an enclave and keep everybody else out, and bring the children up to be unfit to live anywhere else. They can go on ignoring the family for several generations. But such communities are not part of the main world.

"Future Families", in The American People in the Age of Kennedy (1973) edited by David M. Kennedy, p. 108