And if the devs can't manage that, then the default should be to stop the AI from managing slaves as the default setting, because it causes the least damage to slave-owning empire management. Right now, a slaver empire is literally unmanageable unless you mod out sectors completely.
I'm just as frustrated as you are, but let's try to avoid the hyperbole - collectivist slaver empires are working fine. The specific problem is xeno slavery in xenophobic conquest-oriented empires. You can be Space Marx and enslave the proletariat all you want, you just can't be Space Hitler.
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