Disagree. If you've only got IPv4 experience and have a number of possibly legacy devices on your network, then there is a significant amount of learning and ch

Disagree. If you've only got IPv4 experience and have a number of possibly legacy devices on your network, then there is a significant amount of learning and changes required to make it work with IPv6 (securely). It's entirely reasonable to say "It works fine without [=zero business value], no need to invest that amount of work.". This makes IPv6 a negative value proposition for many orgs.