In her resignation letter to the board of the Welsh Rugby Union in 2021, the Aviva chief executive, Amanda Blanc, pulled no punches. As she raised the alarm over entrenched sexism, she made one point clear to the remaining leadership: “You are sitting on a ticking timebomb.”
The belated publication of that private correspondence last month, as part of a wider, damning review, not only rocked the rugby world, but added to a growing list of shakeups across business and sport that share one thing in common: Blanc.