"Civilized": What some people say is (and what Martin is responding to) is that, "Unlike those backward savage Palestinian terrorists that use human shields and commit war crimes, the Israeli army is super moral and selective". People like...
the literal Prime Minister of Israel, who said the Palestinians used the "law of the jungle" and implied they weren't even human. This specific claim stems from a wider idea of some people in Western countries being really snobbish and bigoted towards non-Western countries, thinking they're total failures who are worse than the West in every way. Think about someone who hears "Africa" and only thinks about starving children.
Martin's response is pushing back against this "Palestinians are savage terrorists" argument, criticizing people for giving Israel the highground as this really praiseworthy, moral force when attitudes like "we should rape our enemy prisoners of war" are so common. The hypocrisy is pretty clear – that is literally war crimes. There other ways people could push back against that awful argument – debunking myths about Palestine (see the
third paragraph for the human shields myth), exposing more awful behavior from Israel, pointing to Israel's immense geopolitical leverage over Palestine, etc.