The reason is because organizations cannot prioritize those things that do not naturally sustain and fit their business models, they will fight vigorously anything that changes that order with a mountain of resources to aid them.
Regardless of when, why and how Facebook decided to make these changes, they do make the Palo Alto social network a lot more like its Mountain View competitor.
Mountain systems are particularly fragile as well, so many mountain ecosystems are moving along trajectories that couple high rates of environmental change with strong economic changes.