[ndriscoll]

> we would not have any ip space if every machine had a public ipv4 address

Right, but then ISPs and hosting providers would have to have supported ipv6 10 years ago (or even earlier) when we ran out. Customers were already demanding multiple devices on their wifi 20 years ago, and without NAT, ipv6 would have been necessary.

With NAT, you can't do p2p or self hosting. Without it, you couldn't use centralized services either.