It is pretty much the same. You are legally required to have the card with you at all times. The practical issues you refer to are non-trivial. Inability to tra

It is pretty much the same. You are legally required to have the card with you at all times. The practical issues you refer to are non-trivial. Inability to travel is a non-starter for many. Think ICE will be friendly? They repeatedly show they do not care about legal technicalities.