The bishops do not equal God.  The teachings that many still espouse came down from an era when lots of children were needed to assist with the family's economy.  That was in the pre-industrial age.  During Vatican II, the linkage between the regulation of birth by nuclear families and world wide concern over population growth had been explicitly expressed in "Gaudium et spes [87], in 1965.  Most nations of the world came out with family-planning, especially just before  the AIDS pandemic of the 1980's.

You stated that "there is much more to Christianity than social justice".  Yet, how do you equate your stance with the Last Judgment passage in Matthew's Gospel [The Judgment of the Nations 25:31-47].  I'm sure that those sent to eternal punishment were MORAL and ethically good people. Sadly, though they were concerned with orthodoxy, but not with orthopraxy.  More is needed than just being "a good Catholic".