Evolutionary models explain how humans evolved social brains that were optimal for conformity to group norms, and that means they will adopt whatever ideas, rituals, art, attitudes, etc. that identifies tribal association. That's why someone from Denver is more likely to wear a Broncos jersey rather than people living in othe cities with their own football team. Or why people in the USA are more likely to be some form of Christian and people in the Middle East more likely to be Muslim. People affiliate and then defend affiliation for various reasons, but most certainly involves a degree of denial. F1fan
How do you determine which group norms are untrue? If one gains social status (in Denver) from arguing that John Elway, or whomever is the greatest Quarterback in the religion of the NFL is this denial that there may be other quarterbacks that may be in the running? Is it a false belief? Is it a disfunctional belief in Denver? Do you think a Bart Starr fan store selling nothing but Packer and Starr paraphernalia would be successful in Denver?
Is your belief that there is no guiding force behind evolution necessarily true? Does a plurality of Gods indicate that there must be none or "One ring to rule them all" including the god of unguided evolution?
Perhaps the human brain evolved to conform to group norms and accept those group norms as true, since arguing the falsity of group norms carries social penalties up to and including death by torture. Including arguing against secular beliefs.
Atheists still are subject to social sanctions for arguing against the prevailing religious beliefs of a country or state. Does this mean atheism is false? Does it mean atheism is true?