For all their raving, ranting, and name-calling, these atheists will stand before God one day-and they will exist for eternity, though sadly they will be separated from God unless they repent and receive the free gift of salvation.
Better than anything else in our culture, it enables fathers and sons to speak on a level playing field while building up from within a personal history of shared experience - a group history - that may be tapped into at will in years to come.