Comment by apical_dendrite

The laws of war don't expect a military to attack a target only if there was no risk to civilians. That would be so unrealistic that nobody would even attempt to follow the laws of war. There has to be some consideration of relative risk and proportionality.

Where you draw the line is complicated. If you look at what the allies did in WWII for instance, there are some decisions that are highly problematic (firebombing wooden Japanese cities or the RAF deliberately bombing German civilian populations) but there are also some decisions that I think were reasonable even with a very high civilian death toll (e.g. the US Eight Air Force conducting bombing raids on German industry with limited precision, leading to high civilian casualties).

I think this specific incident was lawful. Hezbollah was the aggressor here, and it spent the war launching attacks that were far less justifiable than this one (much more limited targeting). I think this was a reasonable act of self-defense. That doesn't mean that I think that everything Israel did in the war was lawful.