And Christians swore that the Sun went round the Earth
I don't know that that is true Izzy. It certainly isn't today.
What they do say is that masturbation, pre-marital sex, adultery, monogamy, divorce, sodomy, abortion and homosexuality are wrong.
Despite a 50% divorce rate in the US there has been only one divorced president and he was forgiven because he was young in his first marriage and was an actor in Hollywood. So it does rather look like divorce is considered wrong in the US.
And by "wrong" Christians mean a threat to the cohesion of society. It only looks a moral issue if you want it to. It is actually a pragmatic policy. Morality is merely a means of supporting the practicality without the police.
Owners of high-bred bitches are more careful about the management of their dog's breeding encounters than they are of that of their daughters. As are owners of brood mares.
Umberto Eco refers to the Galileo business as being misunderstood in The Island of the Day Before.