How many leaders in IT&V have been in the same role for 5+ years? 10+ years?
In most cases, you will find they exist in areas with minimal measurement. They are hidden from the spotlight. No one knows if they are performing or not performing. There is typically no tracking. Some are coasting.
Even if the area has tracking, they are fudging numbers.
You will also find that many of them are the root cause of most problems and have weak backgrounds.