The trick to going wherever you want unchallenged in a hospital is to walk briskly, nod to the people you know, and ignore the ones you don’t. The nod reassures everyone that you are known, the brisk pace that you have a mission and don’t want to talk
One function of the income gap is that the people at the top of the heap have a hard time even seeing those at the bottom. They practically need a telescope. The pharaohs of ancient Egypt probably didn't was a lot of time thinking about the people who build their pyramids, either.