It's funny how the guy who is known mostly for being a laughing stock of computer geeks, the author of sex for nerds HOWTO and above all for his worlds encompassing ego is now an expert in evolution.
Now, seriously: there's not a shred of evidence that human monogamy might be an evolutionary strategy, and whatever (admittedly meager) evidence we have points in the opposite direction. A recent book does quite a good job of debunking these misconceptions, and another gives also valuable insights, although it touches monogamy only incidentally.
But maybe we shouldn't expect too much. Psychologists are notorious for their treatment of evidence, and evolutionary psychologists (which in fact are neither) are the worst of this stock. So what to expect from guys like Raymond or Donald, who - perhaps brilliant in computer science - have yet to understand that not everything is an algorithm.
RE: Monogamy is an Evolutionary Strategy