We are naturally kind because our ancestors who were kind to others outlived and outreproduced those who didn’t. But that doesn’t mean that when people help others they are thinking about survival and reproduction any more than when people eat and have sex they are thinking about survival and reproduction. Rather, evolution has shaped people to be altruistic by instilling within us a genuine concern for the fate of certain other individuals, by making us compassionate and caring.
What should be an obvious point that so many people get completely backwards when talking about evolution

