Something I don't quite understand is why IPV6 is assumed to be better, if anything sticking to IPV4 will lead to more "selective" use. Actually useful things get an IP, the rest, well, better get more useful? Wishful thinking?
Thank you,
That's a scarcity mindset and isn't useful in this case.
Who cares if "low" value things use the internet? Imagine a network in rural Africa. It can't pay market rates for IP addresses but would be extremely valuable for its users.
IP addresses aren't a negative externality like pollution or traffic, they're an artificial construct. So restricting them doesn't actually help people, and making them abundant is a huge benefit to literally everyone.