What in the world are you talking about? That a nation state is responsible for all conduct emenating from the nation state, not only makes sense practically and morally, but is also international law. But I'll give you this. Israelis do have this "nationalistic emotion" when they are fired on, second and third only to the emotion of fright and the adrenelin of trying to survive.
Bomb in Lebanon targets bus heading to Syria, no casualties (Reuters)
from the article: Barak: Israel holds Hamas responsible for Gaza rocket fire