The thing is that it is implied that altruism and rationality go hand in hand
That is not so. There is a certain overlap between the population of rationalists and the population of altruists, people from this set intersection are unusually well represented on LW. But there is no “ought” here—it’s perfectly possible to be a non-altruist rationalist or to be a non-rational altruist.
That is not so. There is a certain overlap between the population of rationalists and the population of altruists, people from this set intersection are unusually well represented on LW. But there is no “ought” here—it’s perfectly possible to be a non-altruist rationalist or to be a non-rational altruist.