Either you own the fruit of your labor or you don't. Your copyright-less system does not recognize the product of your work as your property. That's not a just system.
But this "non-system" has been working in countries such as China for many, many years.
Maybe time to "re-think" your idea of the system?
and home to the largest black market on the planet. That's right, people claiming ownership of stolen copyrighted work for the purpose of selling that work. Not to mention a horrendous track record on tangible and real property rights. Somehow, I don't think it works nearly as well as you believe it does. I'll stick with my predictable ability to enforce my property rights, thanks.