You made a long post, and the answer -- which I have given before -- is still short. The key to the problem is identification and tracking. The guest worker approach provides that. Nothing you're saying actually DOES anything, except give you a chance to complain.
Conversation over. You haven't comprehended a thing I've written. You have your views and are sticking to them regardless of the facts or logic. You are laboring under the delusion that we can legislate our way out of the problem without physically securing our border. Been there, done that in 1986.