A question that mentions cpanel is not de-facto off-topic.
It is possible an otherwise competent admin inherited a cpanel disaster and now has to make it work.
HOWEVER - If you are limiting yourself to just "what can be done from within cpanel" you're no longer a sysadmin in my view - you're an application user, and all of your questions should be referred to the application vendor (cpanel).
The distinguishing factor in my view is that a professional sysadmin may (grudgingly) use cpanel as a tool, but they are willing and able to step outside the tool to get things done. and they typically provide enough other information about their problem to be helped along.
As Ladadadada pointed out these questions are generally crap for other reasons, like lack of information.
Crap questions are crap questions, and should be dealt with accordingly regardless of their content, though being "about cpanel" is generally a good marker for "this question is probably crap"...