This was an invisible issue to her colleagues because it was not their reality, and the lack of having a restroom near their desk did not negatively impact them. It was not until she was questioned about her regular “absence” that she was able to raise the issue with her supervisors and confront her peers. It took her raising the issue, making a “hidden” issue visible, for real change to take place.

Source: “Hidden Figures” Teaches How Injustice Remains Hidden