I think the same situation applies for IPv6 if you are behind a router.

No, it doesn't

I'll agree to disagree :)

I.e. you agree to deny reality

https://superuser.com/questions/468727/how-to-get-the-ipv6-i...

As I've said before. The server behind the router does not have a public IPv6 address. It is NATed to the Internet. Getting the internal IPv6 address is useless for this case.

I do not like to have the servers/computers that are on the internal home network directly connected to the Internet.

Nating in the context of ipv6 is not a common thing. It is the exception, while it's the rule for ipv4