I hadn't even read that one saying that way until I got further into the article, to be hoenst. "GUIDE REPRODUCTION WISELY—IMPROVING FITNESS AND DIVERSITY"--the "fitness" part bothered me (who decides who's fit?), but I took "diversity" to be an exhortation to exogamy! Perhaps it's just my Pollyanna side, but Brilliant Husband could see it my way too.
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