If they used WMDs, they would be at war with everyone except China and Russia. If I were Israel, I would hit infrastructure and their central bank. Destroy their ports and refineries. This gives them more significant problems to deal with than Israel.
Excellent point. As George C. Marshall once said, “Amateurs study tactics, Professionals study Logistics”!
If Iran is clobbered but good by Israel —Iran will play the victim card and get international support (which they want and need) from Egypt, Turkey, and Others. You could set their nuke program back a few months and years. The question is what will Iraq do? In this Israel could win the war and lose the peace—and lose a big piece of Israel in the infamous “Two-State solution.”