Because for people who don't have their heads buried in the sand it can be very difficult to fully enjoy one's privileged position in the world without failing

Because for people who don't have their heads buried in the sand it can be very difficult to fully enjoy one's privileged position in the world without failing to recognize the vast socioeconomic disparity that got them there in the first place, and thusly be deeply frustrated when one's impact on the problem seems so inconsequential.