Then there's something that they should actually legislate - before taking someone on as an employee there needs to be a written document outlining what the res

Then there's something that they should actually legislate - before taking someone on as an employee there needs to be a written document outlining what the responsibilities of each side of the relationship are. And if the regulator wants to be helpful the can put out a pamphlet talking about what "reasonable" is interpreted to mean. If the expectations on employees aren't clear then that is an actual problem that a legislator can try to solve. Legislating what should be a line in a contract as an act is silly.