This is an old argument, and requires a bit of context.
Social sin, as you can imagine, was articulated as something governments can do. A lot.
MLK was a big fan, saying, “His writings left an indelible imprint on my thinking.” christianitytoday.com/history/people…
Social Gospel devotees were BIG fans of FDR’s New Deal. FDR’s Secretary of Labor, Frances Perkins, was one.
More than a few fundamentalists, such as Dwight Moody, who thought preaching about social issues distracted from spreading the gospel.
He went on to found the Moody Bible Institute, which still exists. It’s deeply conservative.
In the public sphere, the fundamentalists mostly lost. Liberal Christians ran things.
Eventually, they started working together, as @KevinMKruse chronicles here: amazon.com/One-Nation-Und…
You know what they really liked? Individualism. You know what they didn’t like? Government.
See Kruse here. npr.org/templates/tran…
Republicans voiced versions of it often this year, as I noted here. thinkprogress.org/bad-theology-c…