Since such behavior is part of our evolutionary genetics, they argue that we must not legislate against it, even though it is producing too much population. The remedy, they say, is not to return to Biblical morality, but to promote "safe sex" and abortion (perhaps also infanticide and euthanasia), and even homosexuality. These practices are said to be common in the animal world, so are part of acceptable evolutionary philosophy.
The practice of homosexuality (formerly considered a crime, and firmly condemned in the Bible), is now considered not only acceptable but even desirable by most evolutionists. A recent large volume goes to great lengths to show how normal it is in an evolutionary context. A recent review of this book in the prestigious journal Nature says,
The species-by-species accounts of adult mammals and birds of the same sex courting and mounting each other, living in pairs, defending joint territories and raising young together are fully documented and referenced. . . .
Similarly, a review in New Scientist commends the extensive research of the author.
And not just primates, according to a compendium of animal homosexuality, just published in Britain by Bruce Bagemihl, an independent scholar and author based in Seattle. . . . The result is a species-by-species profile of more than 470 species. . . . "Nearly every type of same-sex activity found among humans has its counterpart in the animal kingdom," he concludes. His take-home message is simple: Homosexual behavior is as "natural" as heterosexual behavior.