[diffeomorphism]

Because people that are happy at their job tend to stay. Your point is "so what if they are miserable right now? They will be miserable elsewhere, too". That might be, but people will still try to get away from you, hoping it is better elsewhere.

[Jensson]

With that argument retention would already be great with 5 day workweek since it is so much better than 6, but you don't see that, retention is really horrible today.