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?
Luckily we have largely moved past that view.
I think as a purely practical matter, moral outrage is shaped by who controls the information space. If you are a country being invaded, you probably have an organized, well funded communication department to tell your side. If you are an Iranian protestor, not only do you not have that, you don't even have internet at all because the state cut off all means of communication.