one migrant per generation prevents group selection; 10,000 migrants per generation usually do nothing to alter e.g. driving culture
genetic group selection is not the same as cultural group selection http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=10188732&fulltextType=RA&fileId=S0140525X14001356&treatment=Y&specialArticle=Y …pic.twitter.com/zfWV3qp9ai
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everybody drives like a jerk in texas and migrants get no benefit from signaling and waiting to change lanes or letting people in
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in nevada people let you in and stigmatize those who don't as being from California which is very low status, they don't have to know though
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