If you are acquiring world-class talent, you might want to promote the people in the acquired company to run the show, though this is counter to what usually happens. Increased autonomy among the high-tech talent is more likely to lead to their retention. Another key area is the continuing training and development of the high-tech talent. They want to see the commitment by the acquirer to invest in ongoing personal and professional development. The continuing tight labor market and differing attitudes and values of today's workers need to be considered in recruiting and retaining all employees.
Employees know what it takes to work there.
They don't refer people who would embarrass them, so they act as a filter.