Led in large part by organized religion.
Your right and for example, the Presbyterian "... Auburn Affirmation came out, a document signed by 1274 of the denominations leaders. Appearing at the height of the Fundamentalist-Modernist Controversy, the affirmation denied the Bibles inerrancy. It declared that five fundamental doctrines, previously declared by the General Assembly to be necessary and essential were now non-essentials. They were theories that should not be used as tests of ordination. Those five doctrines includedthe inerrancy of the Bible (in the originals), the virgin birth of Christ, substitutionary atonement, bodily resurrection, and the historical reality of Christs miracles. The Auburn Affirmation was affirmed by the General Assembly in 1926. Many believe it was a decisive moment in the mainline denomination that accelerated a decline in membership and a lethal slide away from orthodox Christianity. "