You might recall the Taggart Tunnel disaster, the scene where Rand goes through the train, describing how each of certain people had, in some way, contributed to their upcoming death. This was another way she concretized the moral principle that immorality is deadly. 6/18

Cheryl Taggart doesn't die because she is expendable; she's another example of deadly immorality--she died from a romanticized view of reality that she could not abandon. Tony (the Wet Nurse) died because of his prior support of the government and its ideas. 7/18