implications of adding root to a group

[Damien Fleuriot]

On 23 Aug 2012, at 17:26, Steve O'Hara-Smith <steve at sohara.org> wrote:

> On Thu, 23 Aug 2012 07:51:10 -0700
> Krims G <krimskrims at gmail.com> wrote:
> 
>> Hello, I've been looking at the /etc/group and have noticed that some
>> groups have root included in them, for example "operator". Is it not
>> implied that root has access to all things and groups? What is the purpose
>> of adding root to a group? If I add root to some new arbitrary group, what
>> does it result in differently than if I do not add root to that group?
> 
>    The root user has the ability to ignore file permissions, but not
> the ability to subvert group membership tests in scripts or programs.
> 
> -- 
> Steve O'Hara-Smith                          |   


While I can compute what you wrote, I fail to see the implications.

Would you kindly explain in layman's terms ?