Surely if the bar has to be very high for killing our own people it should be the same for others?
In theory the State/International law does require pretty high standards of militaries, and their conduct with regards to civilian deaths and restricting the sorts of weaponry that can be used especially from the Liberal Democracies and;
[handwavey] if you consider the long stretch of history then I think you could argue that that’s largely the case [/handwavey]
But specific cases will always always get through, and regardless of how accurate say; the bombs dropped by an F16 are now in comparison to just opening the doors of a Lancaster and hoping for the best, then war will always kill innocents. I think you could make the argument that in “peace-time” the state shouldn’t be actively adding to death count.