I don't.  The biological/ecological/geological/physical/economic/political crash will wash them away, along with most everything else.  

Evolutionary fitness is about PERSISTENCE over time.  This is why "Darwinists" almost always get it wrong.  Dominate all you like, if you are not around the day after tomorrow, then you weren't so "fit" after all, now were you?  

The Fates are kind.