Sigh I hate getting into it on social media, but this is just blatantly untrue.
Hamas has shown just how brutal they are willing to be the past few days and they explicitly have in their charter the destruction of Israel. Hamas given the chance would absolutely ethically cleanse all of the Levant of Jews. The PLO has a martyr fund for dying while killing Israelis. Israel not fighting would absolutely lead to complete destruction.
On the other hand, if Israel wanted to, it could completely wipe out any and all Palestinian areas. Palestine has no real air force, navy, or artillery and wouldn't be able to stop them. The only reason Israel hasn't done so is they have decided not to.
This isn't commentary on the entire conflict or the history or who is right/wrong. I'm just pointing out that this is factually incorrect.