I assume that the author is a racist, she sees all of this through the lens of race. Sadly, as racist as many of the posters here on FR.
I live in an Ozarks county that is over 95% white. All of the problems she listed and claimed results in less diversity are problems I see with the poor whites here. Drug use, no fathers in the home, criminality is culturally accepted, high drop out rates, teen pregnancy, lots of kids in foster care, and dependence on government handouts. The culture of generational poverty isn’t based on race.
poor White people are like Ferrari’s with 600 pounds of cement bags in the trunk. You can remove the burdens easily enough