Change scares people. Makes them dangerous. - Daniel H. Wilson

Compartmentalized knowledge is a mainstay of spycraft and necessary for any governmental information dissemination process.

“This is doable, isn’t it?” she asked.
“Technically, it’s doable,” he replied, looking up at her. “It’s insane. But it’s doable.”
“Then that will have to be enough,” said Vedala.

In the grand scheme of things, all human beings are part of the same family, regardless of origin. The divisions we have built between ourselves along the lines of race and geography are illusions. If our species is ultimately able to see past these biases, it will be our shared genetic stamp of humanness that will outlive the cultural contrivances that distract us in our day-to-day lives.