Originally Posted by SP03

Before you assume the worst, I think it's helpful to remember the large number of people and systems involved in a big hotel chain. The person (or algorithm) upgrading you is likely different from the person who said you are welcome for the upgrade, which is likely different than the person who handed you the key, and again different from the hotel who gave you the reason for changing your room.

Should it or could it work better? Sure. I understand why you are upset. But incompetence or poor communication isn't always due to bad intentions