[jeffnc]

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If you believe in evolution, then you should believe that it always operates "correctly." Our definition of what is 'fittest' may change, but the fittest are always going to survive.

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No, I think you're missing the point. Evolution is no longer operating "correctly" - at least not on the short term - at least not in any way that we would recognize as evolution as everything thinks of it. When individuals of a species can regulate the survivability of the species as a whole, then we no longer have evolution of the species. We basically got one or two lucky intelligent individuals (which might or might not have gotten that way because of evolution) who now break the evolutionary chain. That, and combined knowledge of hundreds of years of civilization.

If anything, we're now into something new which might be called "cultural evolution" (aka "progress" and "high technology"), but it's not like anything that's ever occurred before, so normal rules of "evolution" don't apply.

To put it another way, we've stopped normal evolution from operating correctly. (e.g. survival of progressively weaker individuals is ensured.) There is no adaptation going on, because there's no advantage to adapting. Someone else will protect, cure, and provide for us. We are living off the principle or trust fund of past intelligence. The occasional brilliant person will still come along and make some advancement, but just by freak chance, not by natural selection.