Gert Doering wrote on 01/09/2025 16:11:

The IETF uses service providers that have no IPv6, and call that
"progress".  So that's not really setting a good example...

They're aware of this, but their prime concern is to make sure the email arrives.

https://mailarchive.ietf.org/arch/msg/ietf/GLDqO_ck6zjlg-P3HUP0O8ikGMQ/

Nick