For your edification Behind The Bastards did a two parter on how Capitalism Ate Christianity, which I’m pretty sure what happens with any faith that stays in power for too long. (On Youtube: Chapter One, Chapter Two )

This is to say it was an actual conspiracy of plutocrats to turn Christianity into the pro-America, anti-communist hyperviolent mess that Evangelical Christian nationalism is today, since the Great Depression and the New Deal pissed off the industrialists.