If Management desperately needs them, they give a long rope. When these individuals become no longer indispensable, they are shown the door.
Your query which is 'fishing' in nature, seeks views on why high performers refuse to change at the time of overhauling/ strategic changes.
It perhaps stems from the anxiety about what way and how those changes are going to affect their future. In the absence of effective communication in which they are conveyed to become part of the vision of the change and better role awaiting for them to take new challeges ,they are bound to maintain status quo .