Recognising the necessity of understanding specific reasons for specific departures, I propose an overarching reason for why people abandon religion: they leave when the tension becomes too great between what they want and need, and what religion tells them they should want and need.
What's sorely missing is an overarching reason for why billions of human beings should be increasingly connected.
Finally, it is important to return to the overarching reason as to why GWAS experiments are performed, i.e., a desire to have a better understanding of the set of genes that contribute to increased risk for a particular disease.
The comparison needs to have a specific thesis or overarching idea that determines the reason why you are comparing the two (or more) objects.
It's the powerful reason why you want to do something; your overarching purpose.
The reason why is uncertain.
"Carl Clark is the reason why".
But one overarching reason is that the wealthy often don't want to downgrade their lifestyle, even briefly.
