[Samba] Is the samba-dc package on Centos 7 gimped?

[Sonic]

On Sun, Oct 19, 2014 at 11:19 AM, Rowland Penny
<rowlandpenny at googlemail.com> wrote:
>> MIT Kerberos was, and remains, the reference Kerberos stack, so the
>> reluctance to migrate from it is understandable.
>
> So what,

If "MIT Kerberos was, and remains, the reference Kerberos stack" why
doesn't Samba just work with it? Why should any distro using it have
to do anything special?