That's like ~40% of the deaths in the current gaza war, except over just 2 days instead of 2 years.
Sure you will get some nay-sayers who say 'a life is a life', if moral particles existed, they might be correct.
But for some reason, humanity doesn't seem to care as much.
What makes intra-state politics more acceptable to use violence?
I don’t know that anyone thinks a state’s violence against its citizens is less immoral. It’s more that countries are more hesitant to get militarily involved in the domestic affairs of another country because it would mean essentially declaring war against that state. But in a conflict between states, an outsider can more easily support one side militarily without declaring war against the other side.