[Jensson]

But if things changes and you no longer need their services then should you just fire them? Telling the employee that they can keep their job if they update their skills is a nice thing to do, it is much better than just firing them without giving them a chance.

[newswasboring]

If you need more services than you initially contracted for, then you give them time to learn. Why is this so hard to understand?

[Jensson]

If you no longer need the services that you initially contracted for, then you fire them since there is nothing left for them to do. How is that so hard to understand? There is nothing saying that you need to keep people around when you no longer have any need of their services, not even any moral reasons.