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It is Darwinism that stresses survival of the fittest, of the most favourable qualities. Dawkin's theory stresses survival of those closest to you, of those in whom you have a vested interest.
One area in which both of these theories struggle is altruism towards strangers. Altruism cannot be a survival trait, so therefore does not fit into Darwinism. The altruistic trait should by now have been bred out of the population. Nor does altruism towards strangers benefit one's own genes, so Dawkinism cannot readily accommodate it either.
Behaving altruistically towards strangers has been described as a side-effect. During the evolution of the higher apes (including us, chimps) we lived in small family groups, similar to the way baboons do. In this case it was highly likely that we would come into contact with the same individuals at least several times in our lifetime. It would be advantageous to treat those individuals nicely, because there was a chance you would meet them again and you wouldn't want them to harm you the next time you met. Also, these individuals most likely shared many of your genes.
However, when we became part of much larger communities, which also contained unrelated individuals, our brains treated this environment as if it was the small family group. It could be said that even though you may never see a certain individual again, it would be a much safer move to act altruistically towards them, because this way you don't risk personal harm. You also benefit from this behavior if the other individual reciprocates, where it may want to watch your back as you watch their back, etc.