why is ipv6 fixly compiled in latest F15 and all F16 kernels?

[Frantisek Hanzlik]

Frantisek Hanzlik wrote:
> Hello, up to Fedora 15 including, there was ipv6 as loadable kernel
> module and was not problem disable/not load it. But recent F15 and
> F16 kernels have IPV6 support compiled in kernel, know anyone for
> which reason? For IPv4-only sites (which is absolute majority) this
> is unneeded...

http://lists.fedoraproject.org/pipermail/kernel/2011-June/003105.html

It is future ;)