My qualification is having been "staff" and "corporate officer" plus other positions from school, thru volunteer work post corp career.
I sense a high correlation with "#nevertrumper" and "staff.
And I sense a high correlation with "strong Trump supporter" and "real manager."
Many "staffers" never reach the top. A few do eventually reach the top.
A person would be qualified for staff, due to subject knowledge/competence, judgment, trust.
A good staffer would NOT blab behind his boss's back.
These government type staff that blab, are the worst.
An example of the best, is Dick Cheney.