I think Zizek is saying that the subversion of family structure opens the way for egalitarian and non-hierarchical forms of relationship ----------SBF
Subverting the family structure can have wide-ranging health and social consequences for children.
Children need assuring, safe, stable, nurturing relationships and environments. These essentials for childhood can have a positive impact on a broad range of health problems and on the development of skills that will help children reach their full potential:
https://www.cdc.gov/violenceprevention/acestudy/about_ace.html
Adverse environments early in life have lasting consequences for children’s health and development:
http://www.apa.org/science/about/psa/2017/04/adverse-childhood.aspx
A child’s “family, social, and community assets” were critical to helping him or her thrive despite challenges:
http://bigthink.com/stefani-cox/adverse-childhood-experiences-can-be-overcome-with-help.amp
Children need attachment and nurturing relationships, family who listen and respond patiently to them in a supportive way, and pay attention to their physical and emotional needs.