If the organization makes it clear to potential hires before they are hired that the company has an open salary policy then the potential hire can choose to mai

If the organization makes it clear to potential hires before they are hired that the company has an open salary policy then the potential hire can choose to maintain their privacy and work elsewhere that does not have an open policy. In this case it probably is not an intrusion into employee privacy. If an organization were to do this after the fact (i.e. when there are already employees on board) then I think you are right.