Sure, but if that's the intent, it would be better to set a limit on the number of successive poor performance reviews someone is allowed. Two? Three, maybe? P

Sure, but if that's the intent, it would be better to set a limit on the number of successive poor performance reviews someone is allowed. Two? Three, maybe? People underperform for all sorts of reasons, and one of them is a skills mismatch. The fix for that is to find a team where the worker's skillset fits better. And a blanket ban on transfers prohibits this solution.