"Political correctness is a doctrine, fostered by a delusional, illogical minority, and promoted by mainstream media, which holds forth the proposition that it is entirely possible to pick up a piece of dung by the clean end."
Here' a marketing answer for her - It permits bull spreading.
Ma Joad: Rich fellas come up an' they die, an' their kids ain't no good an' they die out. But we keep a'comin'. We're the people that live. They can't wipe us out; they can't lick us. We'll go on forever, Pa, 'cause we're the people.