Well, human beings do need some narcissism in order to survive and thrive. We are very maleable by nature and susceptible to believing we need to be certain ways in order to feel deserving when often these beliefs are not really as important as we are often led to believe. We are also set up to navigate, so it's only reasonable to understand how someone could be raised to believe certain methods to navigate are best when in reality these ways of navigating are not very healthy.