Back when the Internet was conceived, as a network of militaries, universities and large corporations, it was in no way foreseeable just how much resources humanity would need - and it was thought that the system would adapt.

However we got layers upon layers of closed-source middleboxes and everything ossified as a result.

But from the perspective of anyone that isn't a networking expert, there is no real problem, things just work and there are no real issues. Networking folks found ways to extend the runway and all other tech people see is the occasional article like this and then they forget about it again five minutes later. I don't even see the effects of the cost of an IP anywhere. I guess it's there, but I don't notice. No regular person even knows what ipv6 is.