What is the theme in A Thirst Against by Linda Gregg?

Another theme is urban blight. The last six lines of "A Thirst Against" describe an urban situation, using it as an example of a place built by the human sense of order and destroyed by the natural tendency of things to fall into disorder, which is called "entropy." The city is referred to by name as Chicago, but the description that Gregg gives could apply to parts of any city across the globe. She says that it is "terrible" and "ruined" and observes that the neon signs that are meant to attract attention to stores and their products have instead created the opposite reaction, driving people away