"Creating a diverse, inclusive workforce is a continuous process at
Hewlett-packard where managers see diversity as an opportunity to tap
a broad range of human potential and to use it to keep learning,
changing and growing.

Source: Wheeler M (1997) "Global diversity:Reality opportunity and
challenge'. Business Week.

Question:  Why would so many contemporary managers concur with this
perspective on the strategic management of diversity?

I'm look for an outline of how I might approach answering this question.