Why Is It Better for Firms to Keep Their Vision

Why is it better for firms to keep their vision statements customer-oriented rather than product-oriented?

A) Customer-oriented visions tend to have a more short-range view of changing environments.
B) Customer-oriented visions tend to have a more myopic view of changing environments.
C) Customer-oriented visions tend to be more flexible when adapting to changing environments.
D) Customer-oriented visions tend to be more stable when dealing with changing environments.