> just like in IPv4 is the key concept I am talking about here and everyone keep saying it is not. Just like ipv4 is what matter and why ISP will never kill

> just like in IPv4 is the key concept I am talking about here and everyone keep saying it is not. Just like ipv4 is what matter and why ISP will never kill NAT. They profit from it, somehow. and it is not just saving money on ipv4 address space.