That is the best mature, professional people can do. Spiteful incompetents, on the other hand, don't think that there are issues they should fix (the employee

That is the best mature, professional people can do. Spiteful incompetents, on the other hand, don't think that there are issues they should fix (the employee isn't a good fit); are afraid of exit interviews; and can be unprofessional enough to burn bridges and damage the company in order to damage the quitting employee.