Quite. While there certainly are places where those things do happen, Thebeka isn’t one of them. Its lords take their duties seriously, and while I can’t deny that some things were harmful, it was far from the awfulness you see in other places. It’s the last place I would have expected a rebellion. What’s going on here is instead evidence that even in the best places, with the best treatment, discontentment can still happen.
Of course, I can’t speak for Alkabsi or any of the other planets that had suffered uprisings. And certainly Kahah, the slave market Nauplius was using to actually buy slaves for his mass murders. People there were dying in the millions even before the Khanid massacres.