Whose IDEAL of the poor rural South would include hillbillies living in tar paper shacks with mo plumbing? I don't think I'm understanding you.
As a schoolteacher in the rural South in the late 90's, I had at least a couple of students who didn't have plumbing in their home...and I wasn't really that rural...and driving through parts of Alabama, some of the houses may as well be tar paper shacks...