False Fitness Cues

“For the first time in human history, the images’ power and allure have supplanted that of real naked women. Today, real naked women are just bad porn.”

“Mystery?” He looked at me blankly. And then, without hesitating, he replied: “I don’t know what you’re talking about. Sex has no mystery.”

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I suggest a different, even darker solution to the Paradox. Basically, I think the aliens don't blow themselves up; they just get addicted to computer games. They forget to send radio signals or colonize space because they're too busy with runaway consumerism and virtual-reality narcissism. They don't need Sentinels to enslave them in a Matrix; they do it to themselves, just as we are doing today. Once they turn inwards to chase their shiny pennies of pleasure, they lose the cosmic plot. They become like a self-stimulating rat, pressing a bar to deliver electricity to its brain's ventral tegmental area, which stimulates its nucleus accumbens to release dopamine, which feels…ever so good.

The fundamental problem is that an evolved mind must pay attention to indirect cues of biologicalfitness, rather than tracking fitness itself. This was a key insight of evolutionary psychology in the early 1990s; although evolution favors brains that tend to maximize fitness (as measured by numbers of great-grandkids), no brain has capacity enough to do so under every possible circumstance. Evolution simply could never have anticipated the novel environments, such as modern society, that our social primate would come to inhabit. That would be a computationally intractable problem, even for the new IBM Blue Gene/L supercomputer that runs 280 trillion operations per second. Even long-term weather prediction is easy when compared to fitness prediction. As a result, brains must evolve short-cuts: fitness-promoting tricks, cons, recipes and heuristics that work, on average, under ancestrally normal conditions.

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