Originally Posted by
Zhangfei
For one, the Imperial structure is horrendously soul-grinding and corrupt and sucks out any sense of joy from the world in the first place. Second, lots of cultists don't know it's specifically Chaos they're worshipping. Three, nobody ever educates people about the threats of Chaos. Don't ask, don't tell, sort of thing. Four, you can get benefits from the gods and most reward you for doing what you actually like doing, just taken to the extreme. Psychopathic warriors love slaughtering, so Khorne rewards you more and more, feeding that part of you until you go crazy.
I could never personally go Chaotic, but I imagine the Imperium to be the very worst of something like the Soviet Union to prevent the spread of Chaos and create a willing, ever-lasting war machine, sacrificing art, culture and science for structure, manufacture and complacency.