I think this is a good idea - mistakes are made in hiring and the status quo is more costly for both sides if someone is not a good fit. I would extend this to

I think this is a good idea - mistakes are made in hiring and the status quo is more costly for both sides if someone is not a good fit. I would extend this to a standing offer to pay someone to quit. I worked at a place that had undergone some changes and a lot of people were not onboard but stayed and slacked off and complained rather than leaving. Better to have a way to drop people like that in mutually agreeable way so those that want to stay can get on with it.