If you think you can negotiate anything even remotely resembling peace with an organization that has vowed to not just eradicate Israel, but every Jew in the world, then you’re hopelessly misguided.
You can’t use the boogeyman of genocide to justify war crimes.
Netanyahu saying “it’s us or them” is the exact same rhetoric as Hezbollah, but I don’t hear you arguing it’s fine for the “them” in that statement to do war crimes in response. I wonder why the double-standard?
I think you should look into what Hezbollah actually says instead of naively (or deliberately) creating a false equivalency. Here’s what they teach schoolchildren:
I’ve never said Hezbollah is good. I know they teach their children to hate Jews. I just also know what is taught in Israel.