Ah, the Crusades were good because the Moors invading Europe was good? Or is this another case of "You say what we did was bad, but people who I think are terri

Ah, the Crusades were good because the Moors invading Europe was good? Or is this another case of "You say what we did was bad, but people who I think are terrible also did the same thing, therefore what we did was actually good!" I guess this adds "also other people did things like that" to it, but are you saying anything here you couldn't also say about slavery or serial killing?