Like they rationalize their anger and resentment as betrayal. They reason "We gave our everything to the Imperium and we weren't given our fair due, we've been cheated", as if there was an implicit agreement of "You get: 5 million planets brutalized into compliance. I get: special treatment as recognition of my transhuman superiority"

When, really, the source of that anger and resentment is the sting of exploitation. They were mass produced as a tool with a singular purpose and not one thought was spared for their feelings on the matter. There never was any deal, it was never intended as a transactional relationship.

They absolutely feel exploited, but they can't acknowledge this as the actual problem because that requires abandoning their self-concept of superiority. Their sense of self-worth is built on the foundation of an insane superiority complex, to accept "I gave up everything for an empire that only ever intended to use and replace me like parts in a machine, I'm not special" would trigger a mindshattering degree of cognitive dissonance.

So now they're stuck in this neverending conflict with the Imperium that's entirely predicated on a false premise, they can never actually seek accountability or restitution (whatever the hell that would be) for the valid ways in which they have been fucked over. Instead they spend millennia shouting "I WANT WHAT I WAS PROMISED" into the void, raging against an uncaring system that was never going to hold up their end of an imaginary bargain.

It reminds me of my pre-radicalized self when I was working awful customer service jobs in my early 20's; I'd completely sucked down the kool-aid that if I just worked hard enough, I'd eventually be rewarded with raises and promotions and upward social mobility. I would sacrifice my health to give my all and not only get nothing in return, but also end up replaced by someone slightly more desperate the moment I gave anything less.

And I felt exploited, but I didn't have the language or framework to understand what was happening. All I knew was that I was being fucked over in some way and that none of this was fair, meanwhile the ruling class was gaslighting the shit out of me like "Wowww where did this sense of entitlement come from?If you aren't reaping the rewards of hard work, it means you aren't trying hard enough. You're the problem"

And I, thankfully, eventually developed class consciousness, but a lot of people get sucked into the far-right because they have those same feelings, but fuck up the math equation somewhere along the way and end up with a wildly incorrect answer.

Instead of realizing they were grifted by capitalism, they retreat into a superiority complex as a maladaptive coping mechanism and demand "I want my special status, I want what I was promised, I've been cheated"