She was a threat to the status qou of the monarchy, as she was brazenly becoming the face of the royal family with soaring public appeal, completely overshadowing the Queen. She had also deeply embarrassed the entire royal family with her justified divorce from her ghoul of a husband, along with her affair with a "common person".

In essence, she became an annoyance and a threat. It was for everyone's benefit in the royal family and British government that she be quietly swept aside.