He ran on a security platform and this happens. ???
That said there were many interviews of people after the attacks and they were saying if he didn’t flatten Gaza then Bibi needs to pack up and leave Israel. So far, not a whole lot that the people wanted is happening in Gaza because all the international meddlers are involved now.
He probably is done because he is going to be the one blamed fair or not. It will make the Biden regime happy though.
Keep in mind that whoever is his replacement will probably be much worse.
Similar situation to Golda Meir in 1973. As Head of State, his primary responsibility is national security. Failed at protecting citizens, so must go unfortunately