The Islamic Republic kills its people directly, while Hamas launders it through war

What’s the moral difference between an Islamist dictatorship

(1) firing on a neighboring country from civilian centers — resulting in tens of thousands of its own oppressed subjects being killed as collateral casualties of the war it initiated (often deliberately courting those casualties), and

(2) firing directly on its own oppressed subjects, killing tens of thousands outright?

In both cases, the same regime treats its population as expendable. The only difference is whether their deaths are routed through an external conflict or inflicted openly at home.