That's because most religious people (including Christians) have merely belief.
Kierkegaard saw a difference between faith and belief. Belief is me believing that X is true. Faith is the obsession with a certain belief. Faith is belief pushed to its extreme. A truly religious man (the one with faith) is a schizophrenic whose reality is his religion, since the body is the sinner and he's free of the body, therefore he will follow every single commandment and won't commit a sin.
But on the other hand the religion of the majority is merely a belief, these majority still have their sinner body and will eventually follow their desires and sin.
Racism is a major way to deny one's death, but since only the body dies not the self, a person with faith won't need denial methods such as racism, unlike the majority:--
When confronted with reminders of death, we react by criticizing and punishing those who oppose or violate our beliefs, and praising and rewarding those who support or uphold our beliefs. (The worm at the core: on the role of death in life)