You should not trust those builds. Everything you need to know is documented here: https://learn.microsoft.com/en-us/windows/privacy/manage-connections-from-windows-operating-system-components-to-microsoft-services
Windows 10/11 Enterprise is recommended as that’s the version where Microsoft can’t fuck up.
The nixCraft headline is stupid, just because you are running on IPv6 without any NAT doesn’t mean your router doesn’t block incoming IPv6 traffic to hosts on the network - this is actually the default in 99.9999% of devices.