The Appalachians were historically the eastern boundary of the “midwest”. Considering that western PA is to the west of the Appalachians, those Pennsylvanians may, in fact, be correct.
We do what we always do. We fight the baseless propaganda we hate with the baseless propaganda we like, and then when called out on it, we justify its posting by saying, “Isn’t it crazy how easily this could be true though? It’s like there’s no difference between truth and satire these days!”