[CentOS] Why is yum not liked by some?

Mike McCarty wrote:

> I agree that what you suggest would be worthwhile. That's why there are
> people who make money doing it. An example is the LynxOs corporation.
> Other names come to mind.
>
> Mike

Mike,
Who else comes to mind?
Who is best-in-class with configuration management?
(I'm ok with non-linux answers for best-in-class, then I know what to 
look for)

regards Dave
www.hornfordassociates.com