A core tenet of the "dark enlightenment" mind-virus that has taken hold of the valley is the idea that civilizational decline/collapse as imminent, and inevitable, so they don't really mind getting a bigger slice of a smaller cake, as long as they are in charge[1].

However, they also are getting citizenships from other countries or buying pacific island bunkers: just in case.

1. The collapse inevitabilitism absolves them of any guilt when their actions make the world worse, since "it was going to happen anyway"