It does not. Issues around a deficit model . Issues around the race of the author . The author is white. It is often alleged that a white person cannot know about poverty.
All races have poor, middle-class and wealthy individuals.
Race and class are not the same. Issues around the concept of poverty as a culture . It all depends on how culture is defined. These patterns have been documented by a number of researchers. What makes this work different is the emphasis on the why and the how.