It isn't just silence. There are usually a set of things in a severance deal - like agreeing not to sue for wrongful termination or reconfirming existing NDA or

It isn't just silence. There are usually a set of things in a severance deal - like agreeing not to sue for wrongful termination or reconfirming existing NDA or exclusivity or other employment terms. When I've been on the managerial side of things removing the potential downside of any future lawsuits was the overriding concern.