A big component of the so-called culture wars is this debate about family values. The core of which is the nuclear family, especially as a vehicle to raise children in.
If we're being honest, a strong nuclear family is probably a good thing for most people. It gives children a stable home environment to grow up in, and it encourages positive relationships with friends, family members, and local communities. Which we know is a good thing for mental health and quality of life.
In fact there is research supporting the conservative notion that traditional, dual-parent setups are important for children and communities to thrive:
https://www.ojp.gov/pdffiles1/nij/grants/206316.pdf
Where this