Most people no longer live in nuclear families at all.
The attempt to redefine the family as a purely voluntary arrangement grows out of the modern delusion that people can keep all their options open all the time.
The left ask people to believe that there is no conflict between feminism and the family.
Because it equates tradition with prejudice, the left finds itself increasingly unable to converse with ordinary people in their common language.
Propaganda in the ordinary sense of the term plays a less important part in a consumer society, where people greet all official pronouncements with suspicion.