Yes I have heard that argument too. “Their conclusion is that because Palestinians are “dying”, therefore, one cannot support the people killing them.” Ben Shapiro was debating with a Muslim British Oxford student who was arguing that more Palestinians were dying than Israel’s therefore Israel is wrong. Ben responded that well during World War Two more Germans died than British soldiers. The student responded that the British never targeted civilians. Ben lifted an eyebrow and said that “You should tell that to the people in Dresden, but you can’t, because they’re dead.”
Moreover I think the Israel’s are going out of their way to prevent as much collateral damage as possible using precision bombing and sending messages to Palestinians Civilians warning them to get out of danger zones.