Actually the cause predates bh0 and the influx of muslims. It goes back to the progressives of the 1920s and 30s and their children of the boomer generation who preached secular humanism and communism in liberal newspapers and the colleges, with Columbia University being one of the leading centers of inequity.
And polls specifically aimed at Libs ....
You got that right. Then the hippies grabbed onto it wholesale and it was all over at that point. This is why conservative values have to stand alone without the crutches of religion. You don’t need to spout “SIN!” for those values to stand firm, and today’s kids are dominated by skool union commies starting at pre-K; even if they’re from Christian homes, they’re getting the commie doctrine drilled into their little heads. Societal evils don’t need to be phrased in religious terms that today’s young people don’t relate to.