Christianity is supported because it has shown itself to be the only culture capable to produce working institutions and a rule of law. He is all for that, as the alternative is basically permawar with nukes.
Every step taken, every plan, every endavour is part of a scenario tree with fallbacks towards that goal. Selfsurveilance, a hardened education system (ai), if you start to look at the world from that angle a ton of what they do, starts to make way more sense. Also from that point of view, money itself constantly looses value, as the scenario falls down the three. Its capabilities increasing the odds that are valuable. The last billionaire gets a potato for all of it.
His anti-christ is the loop deformation damage of humanity, a species stuck in a low tech environment, unable to ever regain complexity even if history throws it a mounttain of ressources. Look at he middle east for understanding.