About 1869, our major universities stopped teaching that there is “no law but obedience to God”, thus producing defective lawyers. Don’t you remember the “gay 90s”? Or the “roaring 20s”? Hollywood did exaggerate them, but not by much. We recovered some virtue in certain places, but it remains that the original poster’s assertion of only 1% dysfunction is ridiculously low.
SCOTUS was still supporting traditional marriage as the bedrock of our culture until the legalization of the distribution of birth control to the unmarried in the early 1960s.