Gregory's Serverit's not so much an infatuation as an indoctrination into the idea that suffering will be rewarded. not now, but later, when justice will be served to all of humanity, then you'll be rewarded for your suffering and get to watch your masters suffer instead
and it's not just protestant christianity that has this ethic, it's all of it, it's just that protestants hate the jews a bit more and really want to clean out every piece of ritual and mystery