i wouldn't consider that to be a rule of thumb, but it is definitely something worth mulling over as an employer.
i know a good number of employees who were extremely loyal not because they were bad, but because they had been with a company for so long that their skillset had narrowed from deterioration down to exactly what their job was, and they were very good at it.
i know a good number of employees who were extremely loyal not because they were bad, but because they had been with a company for so long that their skillset had narrowed from deterioration down to exactly what their job was, and they were very good at it.