Sinking

This column is a good summary of the pessimistic "demographic doomsday" scenario that Mark Steyn has been writing about for a while. He is probably right in most respects, but does he think that a better future can be built just based on the belief that "Western civilization is on balance better than the alternatives?" As he correctly mentions, Islamism is just a parasite of Western nihilism. So, how do you beat nihilism?