I guess I'd agree with you if the goal is just to kill your enemies, I just don't think thats possible. I don't know how this makes peace any easier, and whether legal and military experts find it indiscriminate or not, it will have a profound effect on the country as a whole.

It is a terrorist attack, if it happened here we would be talking about the thousands of people who had to witness it and how scared they were, and how noone will touch an electronic anymore out of fear. Even if they were only military people who were "targeted".

If this attack would lead to peace and a stop in violence and killing then I'd support it. But it doesnt. Israel has never had a proportionate or measured response, much like the US in its past conflicts.

Edit to clarify: you are likely right legally. I just disagree on other grounds.