The current strategy of the Israel Defence Force involves starving the Palestinians of the Gaza Strip into leaving the entire territory.
Israel may or may not have God on its side (opinions vary), but it certainly has the U.S. government on its side, and that seems to be enough.
The bedrock on which the entire post-1945 system was built is the inviolability of borders.
The war spared Netanyahu from an inquiry into his failure to prevent the Hamas attack in October 2023, and it stalled his corruption trial.