Conversation so far:
What are Sam Harris' feelings towards Islam?
Sam Harris considers Islam to be especially belligerent and inimical to the norms of civil discourse. Harris considers to be bad ideas, held for bad reasons, leading to bad behavior.“
Has Sam Harris' views gotten him into trouble?
In April 2017, Sam Harris stirred controversy by hosting the social scientist Charles Murray on his podcast, discussing topics including the heritability of IQ and race and intelligence.
Do people agree with Sam Harris' thoughts on Islam?
Glenn Greenwald has claimed that [Sam Harris] and others like him spout and promote Islamophobia under the guise of rational atheism.“
Does Sam Harris think that other religions are better?
No, Sam Harris is broadly critical of religion in most forms.
What is an interesting fact regarding Islam?
Islam is an Abrahamic, monotheistic religion teaching that there is only one God, and that Muhammad is a messenger of God.
Why do Muslims feel this way about God and the world?
They feel this way because it is written in the Quran.

Question: Why is that?
Self-contained rewrite: Why the theology written in the Quran?