Yes, It is a sick”worldview” that they are brought up in. We—in Western Culture—tend to *think* that there is no fundamental difference in human beings—even if they are brought up in extremely abusive cultures which teach hatred from birth and twists their very nature. Children raised in this manner turn out to be the Charlie Mansons of the world.
They can NOT be *normal*. They won’t be *normal* because the indoctrination and ingrained attitudes were created in early childhood which forms their reality. Anything is possible with God—yes—but the majority of muslims will be lost.
Then throw in centuries of inbreeding to mix and it gets really ugly.
It was started by an evil man as a human engine of evil.