Your BIL might find the results of social scientist, Gregory Paul's study interesting.
Societies worse off 'when they have God on their side'
By Ruth Gledhill, Religion Correspondent
RELIGIOUS belief can cause damage to a society, contributing towards high murder rates, abortion, sexual promiscuity and suicide, according to research published today.
According to the study, belief in and worship of God are not only unnecessary for a healthy society but may actually contribute to social problems.
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Many liberal Christians and believers of other faiths hold that religious belief is socially beneficial, believing that it helps to lower rates of violent crime, murder, suicide, sexual promiscuity and abortion. The benefits of religious belief to a society have been described as its “spiritual capital”. But the study claims that the devotion of many in the US may actually contribute to its ills.
The paper, published in the Journal of Religion and Society, a US academic journal, reports: “Many Americans agree that their churchgoing nation is an exceptional, God-blessed, shining city on the hill that stands as an impressive example for an increasingly sceptical world.
“In general, higher rates of belief in and worship of a creator correlate with higher rates of homicide, juvenile and early adult mortality, STD infection rates, teen pregnancy and abortion in the prosperous democracies.
“The United States is almost always the most dysfunctional of the developing democracies, sometimes spectacularly so.”
Gregory Paul, the author of the study and a social scientist, used data from the International Social Survey Programme, Gallup and other research bodies to reach his conclusions.
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The study concluded that the US was the world’s only prosperous democracy where murder rates were still high...
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http://www.timesonline.co.uk/tol/news/uk/article571206.ece