NAT is the worst thing that could have happened to Internet.
Without NAT people would have been able to host their own blogs, pages, photos decades ago from their home. We could have had far more decentralized applications than we have today and would have prevented this walled garden mess of Internet.
The ability to address any system on the Internet with it's unique IP is what original Internet was supposed to be. NAT was temporary solution to address the issue of limited IPs but now that is single protocol that is preventing the migration to IPv6
The ability to address any system on the Internet with it's unique IP is what original Internet was supposed to be. NAT was temporary solution to address the issue of limited IPs but now that is single protocol that is preventing the migration to IPv6