No, no, they hit the nail pretty squarely on the head.
There is speculation that they literally bombed a meeting that was discussing that cease fire, considering the high ranking individuals that were present.
That's just this instance. I took the question to mean why the Israelis amplify their war with Hezbollah.
This instance with Nasrallah was probably a matter of use it or lose it on the intelligence side. They got information and acted on it as fast as possible.