From the MacRumors thread posted by n2d4 (thanks for this context!), it sounds like the tipster was the sibling of the Apple employee who leaked the information.
I don't know if this changes the legal situation any, but it has certainly already (assuming the tipster is honest) led to negative consequences for them: their sister lost her job because of them, and is now no longer speaking to them.
I don't know if this changes the legal situation any, but it has certainly already (assuming the tipster is honest) led to negative consequences for them: their sister lost her job because of them, and is now no longer speaking to them.