They are referring to the current crop of brimstone evangelists that used their pulpit to push their extremism to great political effect. Jerry Falwell was one

They are referring to the current crop of brimstone evangelists that used their pulpit to push their extremism to great political effect. Jerry Falwell was one of the pioneers. https://en.wikipedia.org/wiki/Moral_Majority https://en.wikipedia.org/wiki/Moral_Majority