I would presume that most people who become presidential advisers have some kind of political resume.
What I don't like to see is people being brought back who have a resume of supporting statist policies.
Unfortunately that appears to be the goal for the last....well, longer than most of us have been around.... of these "Manchurian Candidates" we will end up having for choices.
In with the new boss... Same as the old boss. (And his cronies too.)