Comment by patates

The book doesn't support anything in "their" favor. The idea boils down to nobody being "them".

Related part from Wikipedia:

> Becker argues that the conflict between contradictory immortality projects (particularly in religion) is a major source of the violence and misery in the world such as wars, genocide, racism, nationalism and so forth since immortality projects that contradict one another threaten one's core beliefs and sense of security

There you go.