It is likely..
..because it is turning away from Almighty God.
Moral values are changing, and church going decreasing.
The question is though, what is it about God we are turning away from? (I'm answering from a theist pov).
Jesus was asked what was the greatest commandment and he answered (essentially) "love God". He then followed up with the second greatest, "love your neighbor as yourself".
In the story, Rabbi Hillel was challenged to recite the Torah on one foot. He did so by saying "What is hateful to you, do not do to your neighbor. That is the whole Torah; the rest is the explanation of this—go and study it!"
If you had pointed to our civilization's turning away from the "golden rule" I would probably be agreeing with you, though I might not agree that returning to religion in general was a good thing.
I don't see anything about forcing women to cover up their bodies there.