Also, this ignores the fact that IP address scanning is tremendously harder on IPv6 than it is on IPv4. That's a significant security improvement right off the

Also, this ignores the fact that IP address scanning is tremendously harder on IPv6 than it is on IPv4. That's a significant security improvement right off the bat. All of the dozens of Internet bots that try to portscan my router every day would cease to be an issue if I could turn off my IPv4 address.