She showed a graph of 'hope for success' versus 'predicted probability for promotion'- it's just outright silly to attempt to represent something as complicated as this on two axises. Any attempt to quantify something like "hope for success" can branch into endless debate about setting success criteria, defining hope, measuring anything in this space, etc. This is a philosophical or psychological issue, not a mathematical one.

Data visualization is a terrible way to make an argument about human behavior.