This works both ways - the concept of one job for a whole life (or at maximum two jobs) was really common for the parents (or grand-parents, depending on their

This works both ways - the concept of one job for a whole life (or at maximum two jobs) was really common for the parents (or grand-parents, depending on their age) of many. Then the companies started with hire-and-fire. And now they wonder why their employees have no loyalty in face of a good offer from another company.