On Oct 23, 2021, at 8:30 AM, Ca By <cb.list6@gmail.com> wrote:

87% of mobiles in the usa are ipv6

https://www.worldipv6launch.org/measurements/

Agreed. When they have to connect to an IPv4 only host, they do some type of AFTR. These devices have never known a world outside of this situation. That is a major difference.