I'd say there's plenty of room to argue that ancient Philistines aren't the same as modern Palestinians, but that's a minor point. It's certainly far from the first war over who should own that patch of land. Pretty much this. As far as I can tell, Invictus seems to think the numerous attacks by various Palestinian terrorist organizations and multiple Arab-Israeli wars are all Fake News fabrications by the Zionist Lizardmen Illuminati. I don't think anyone but his strawman is arguing that Israel is 100% unconditionally justified in everything they do, but it's hard to say they have zero reason to view Palestinians as potential threats after 70+ years of conflict with them. Peaceful coexistence is a wonderful idea, but that kind of bad blood isn't going to magically go away overnight no matter what Israel does.