It's the sincerity that makes this ending. No quips, no jokes — just; here's an awesome musclebound, leather-clad, homoerotic, pretty boy space barbarian riding a green mutant tiger into the sunset set to an overbearing, corny 80s hard rock tune with orchestral accompaniment.
Agnostics and atheists siding with the Catholic Church because it's the only powerful institution on the planet right now that's not suicidally dedicated to be warmongering technophilic accelerationists to make a few extra cents of profit: