I do think there's merit to Darwinistic theories. It seems natural to me that strong genes survive and weaker ones eventually find their demise. For example a gene that gives you just one thumb and one finger is not very useful if you operate heavy machinery. So that's why you see so little people in construction with those.
But I see that evolution in the human race apparently is a game of chance. It doesn't actually work to have people with strong genes exclusively mate with other people with strong genes. The percentage risk that the children of said parents have very good genes is high, but it is by no means a guarantee. Parents' good genes may even work against these children, as their inherent weaknesses are expanded as well.
This article illustrates that in fact, highly desirable mates often make the worst parents, and the quality of life for the children suffers accordingly. It also explains why even the ugliest and undesirable people can mate supremely attractive people; and why even complete homebodies and other people who are not active in the hunt can make a families and procreate.
So I've got nothing to worry about.
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