(and I note that in the mobile phone space they've managed to go from 2G in 1991 to 5G while the IETF has been struggling with the acceptance of IPv6 over almost that whole period)
To be fair, going from IPV4 to IPv6 is not a trivial thing for most companies, who are quite satisfied with putting their DMZ hosts behind a NAT; Most ISPs are loath to hand out static IPv6 addresses either.
To wit: what they got works- why fix it when it's not broken?
Biting the hand that feeds IT
