Broadly gestures at the world
I'm going to add to this. Any homogenous system you suggest rejects the subjective nature of morality, and needs to be enforced through force. Unevolving, nonreactive, subject to rule by the majority. Consistently, we see that civilians favor policies most of us would agree with, but money interests prevail. I'm the Soviet Union, beaurocratic interests prevailed. That's just what you get with centralized power, and humans needing to fulfill a role to provide for their families. Try to rally your neighbors in your immigrant community that black people shouldn't be allowed in. Then, try to rally them around lowering rent. Finally, try to convince a piggie (the long arm of billionaires) to literally negotiate a single thing, or show up in a timely manner, or not forge documents.
So, we don't do government