We're specifically talking about the British Empire and its attitude towards colonized people and cultures. I'm sure that Muslim Egyptians had their own prejudice, but Muslim Egyptian prejudice didn't inform British people's alienation and dehumanization of non-white cultures whereas white supremacy did. They didn't use mummies for firewood, to garnish their soup or grind them into paint because Egyptian Muslims considered them pagans or whatever.
I don't know why you're being so defensive, this is just history.
I don't know why you're being so defensive, this is just history.