Westerners are generally low enough of intelligence that they need certain superstition.
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Because of the above, God saw that if He could get the Westerners moving in His direction, they would be just the right group to break through the superstition and spread His Word of salvation around the world.
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The problem with the Westerners is that, at the same time some of them are using the technology to spread God's Word, others of them are using technology to alienate themselves from the God that saves them and Who gives them their special blessings.
The tooth fairy, Peter Pan, Tinker Bell, and Dumbo The Flying Elephant says you've falsified the first sentence above with the unfalsifiable fables you wrote after.
Yeah I am going to suffer eternal disembowelment, gnashing of teeth, and brimstone for pointing out that faith is not falsifiable. There is a not a single case of anyone ever reporting back from the afterlife that any of these fables are true.
I rather think we can find scientific, falsifiable hypothesis for why cultures and evolutionary races in climates without harsh winters are less industrious. Even we see that distinction between northern and southern Europe. Why natural select for high IQ, when what you really need to promulgate your genes in a mild climate with savage environs is more athleticism and a longer penis to make sure your semen is deposited deepest. And yes Africans have statistically longer penises than whites and much lower IQs. But then why do tropical climate filipinos typically have 4 and 5" penises

It might be genetic locality with East Asians who are much less combative to social order than Africans and whites[1].
[1]
http://blog.jim.com/politics/why-east-asians-vote-democrat/