I think the issue here is, retention goes up because not everyone is doing it. ( so people have motivation to stay ) Also productivity does not go down, becaus

I think the issue here is, retention goes up because not everyone is doing it. ( so people have motivation to stay ) Also productivity does not go down, because not everyone is doing it. ( so people have motivation to not get fired ) In normal conditions, expected would be some drop in productivity but bigger gain in retention.