The question misinterprets the dynamic. Point is, people disenfranchised ("left behind") by secular administrators are turning to religion for community and identity. That's the undercurrent in the context of the thread. It's not about the legal separation, it's about a change in the upstream culture as a reaction to the politics. The official principle of agnosticism that the separation of church and state represents is not official atheism either. In fact, it's the opposite. The US system was famously said to be vulnerable by it's founders, "Our Constitution was made only for a moral and religious people. It is wholly inadequate to the government of any other." While it can tolerate almost every kind of minority belief, it doesn't survive a shift to complete atheism and nihilism. The American system is predicated on the universalist idea that, "people here are free to have both kinds of beliefs, theistic AND deistic," and the trend I was pointing out is religion is becoming a reactionary tendency.
That has nothing to do with secularism and people turning to religion for a sense of belonging. That has everything to do with housing policy being bent so in favor of the rich, most American homes are built to be secluded with no real way to walk around or dine in neighborhoods.
So everyone has to go out of their way and make reasons to feel connected with their fellow man.
