Political conflicts in very other nation in the world has proven your point most succinctly.
No human has ever acted against his brother man in the steadfast belief he was doing the "right thing" as told by superiors even when it was a clear atrocity in hindsight.
Yes, the strength of your argument is indisputable.
Israel is a sensible land. Much like us. We have so much in common, Do we not? No mindless, raping killers with machinery running over innocent, defenseless people. Nothing like Tienanmen Square!