So the example is: "For example, an employer's reliance on word-of-mouth recruitment by its mostly Hispanic work force may violate the law if the result is that

So the example is: "For example, an employer's reliance on word-of-mouth recruitment by its mostly Hispanic work force may violate the law if the result is that almost all new hires are Hispanic." In this case the employers probably rely on many sources of candidates, and want to maximize each source. In the end the result is what matters.