The graphic is a witty play on the theory of needs (issues) and human behavior presented in the article "A Business-Relevant View of Human Nature."
In essence, the theory states that:
1) At any given time, every individual possesses one, and only one, dominant issue to address;
2) Every individual possesses a dynamic hierarchy of issues that stems from the dominant issue; and
3) Every individual employs one of three basic problem-solving behaviors when addressing issues.