Israel is fighting for its very existence.
Iran is the aggressor here. Israel has no choice but to retaliate and in a big way. Failure is a slow but certain death of their people and nation.
We have read the Book. We know how it will end.
https://www.newsmax.com/world/globaltalk/israel-iran-retaliation-explainer/2024/04/16/id/1161256/