But I contend that the disgusting behavior of many of their alleged 'holy men' relieves us of any intellectual obligation to take the stuff seriously. No amount of sanctimonious rationalization can make such behavior anything but pathological.
A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear arms, shall not be infringed. - Second Amendment to the Constitution An armed society is a polite society.
Delusions are often functional. A mother's opinions about her children's beauty, intelligence, goodness, et cetera ad nauseam, keep her from drowning them at birth.