For thousands of years Europeans had families with defined roles, only now in the last 100 years is it suddenly outdated. Just like views on race, everyone knew that people are unequal, only recently is the belief outdated.
You make a point I wish more peoplel could understand. For thousands of years, homosexuality has been rejected as a perversion that was destructive to mankind and an abomination in the eyes of God. Suddenly, since about 1980, it's become not only acceptable, but something to be celebrated. How does that work? Were our ancestors, who survived for thousands of years under terrible conditions, so wrong? Or is the present view an anomaly, an aberration, that cannot sustain itself because it is self-destructive? I think it's the latter.
It's childish and simple-minded to think that choices that worked for thousands of years can be thrown into the trash with no averse consequences. We need to know history, and learn from it. The moral code of behavior codified in the Bible didn't come from nowhere. It came from the collective wisdom and experience of hundreds of thousands of people over a span of thousands of years, under all possible kinds of living conditions, facing every possible danger and adversity. The nuclear family works. Separate roles for men and women works. Women devoting most of their energies to child rearing and caring for the home works. Marriage works. Faithfulness to one's spouse works.
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