I will try to refrain from commenting on Barrett’s argument this time. My wordy part 1 post was met with succinct comments that said all that needed to be said then. I hope those and other commenters do not desert me now.
Barrett’s argument in his chapter titled Why Would Anyone Not Believe in God?
In this chapter, I argue that atheism (the disbelief in any gods) as a shared worldview arises only under special conditions and is indeed the exception to the rule. Compared to theism, atheism is relatively unnatural and, unsurprisingly, a very uncommon worldview. (108)
Barrett’s view is that the psychological factors, or the mental tools, that encourage us to believe in god/s present special challenges for atheism. For these reasons, he explains, atheism is “relatively unnatural” and a “very uncommon worldview.” True, he concedes, some atheists have no mental difficulty, no angst, over being atheists, but he attributes this situation to special environments that he will address towards the end of his chapter. Meanwhile, he chooses to address four mental tools that he believes post serious challenges for atheism. (Those mental tools were discussed earlier in this series, beginning at Gods – 2.)
1. Hyperactive Agency Detection Device (HADD) and Theory of Mind (ToM)
Barrett asks readers to turn back to an event described earlier in the book.
Consider the following event. A coworker of my wife once performed maintenance tasks on a farm. One day, Doug was working in a grain silo when leaked propane exploded. The first explosion rushed all around him and out the second- level windows high above him. Stunned by not being harmed by the blast, he tried to get out the door, only to discover that the explosion had jammed the doors. Knowing that a second, larger explosion was coming and he had no way out, Doug muttered hopelessly, “Take me home, Lord.” He distinctly heard a voice say, “Not yet,” and then felt some invisible hands lift him a dozen feet in the air and out of a second-story window, then safely to the ground below. Once he landed outside the silo, a safe distance away, the silo and attached barn exploded into rubble. He stumbled to the farm office, where coworkers took him to the hospital. At the hospital, Doug told the doctor that God sent angels to save him. The dumbfounded doctor reluctantly agreed it was a possibility given that the amount of propane gas in the man’s lungs should have been fatal, yet he was not only alive but also conscious and talking. Doug, the doctor, and all staff of the farm believed this event to be caused by supernatural agency. In each of their minds, HADD played a major role in forming this belief. (34 — you can read this particular passage in context and with further discussion by Barrett at slideshare.)
Barrett imagines the questions that might be asked and the answers of theists and atheists:
Who [what agency – it’s our HADD prompting the question] saved him? God or angels. (theist responding)
Who saved him? A coworker saved him. (atheist answering)
But ToM then asks: Why did Doug not see the coworker?
Naive Physics asks: How did the coworker lift Doug out of the second story window?
The atheist has another possible response:
But the atheist has another option, rejecting the detection of agency: HADD was wrong, and no agent or agency was present. Some unknown physical property protected Doug from the initial explosion and propelled Doug out of the second-floor window unharmed, or it happened just by chance.
To which Barrett responds:
But this type of explanation is no explanation at all. What it amounts to is a promissory note: I don’t know how to explain it, but I’m sure there is an explanation that has nothing to do with agency. (109)
Barrett says that the atheist’s deliberate choice to reject HADD is not at all easy:
One of the strengths of the human mind is its ferocious desire to explain, make sense, and find meaning. If we tell HADD that it has misexplained something, it demands that we come up with a satisfactory counterexplanation. Finding such a counterexplanation is not always simple: it requires conscious, reflective thought; it is slow; and it may require tapping our long-term memories for knowledge we incompletely hold. Even if this cumbersome reasoning process yields a counterexplanation that seems satisfying to the self, others, not sharing the same knowledge base, may find it dissatisfying . . . (110)
Note the life-threatening urgency at the heart of Doug’s story:
Recall that HADD’s insistence that it has detected agency may increase under conditions of urgency, as when survival or physical well-being is on the line. Similarly, denying HADD and settling on a satisfactory counterexplanation in urgent situations may be all the more difficult.
Stories like Doug’s are, Barrett acknowledges, “relatively uncommon” and
the more clever and creative you are, the more likely you are to hit on some counterexplanation that has a ring of plausibility to yourself and others.
and
But HADD experiences are common, occasionally occur when rapid explanation is required, and often cannot be easily explained in purely naturalistic terms.
Continuing from Argument for God — part 1.