Yea, why are the super rich, like Zuckerberg, building end of the world bunkers? Not a very optimistic view of the future.
Apparently, Zuckerberg is Bible follower whether he knows it or not.
Revelation 6:15
“Then the kings of the earth and the eminent people, and the commanders and the wealthy and the strong, and every slave and free person hid themselves in the caves and among the rocks of the mountains;“