No, any form of government always tries to appoint the most appropriate people to the job.
I think we might be speaking at crosspurposes here. I can imagine that the civilian adminstrator of a comet mining colony is a directly appointed civil serveant, fair enough - picking the guy with the best mining skill is a no-brainer, that colony represents a commercial not political interest and this is clearly a job best given to professionals who may serve professionally in that role for a long period of time. However, the governor of a 100m colony on the moon is not a civil serveant but a political figure in charge of a very large nation in modern real terms. Under most democratic government, this bloke would serve limited terms. If I am roleplaying as a democracy, I can't really imagine what the civilian administrators represent - are they elected politicians or senior civil serveants? is the governor of earth a presidential figure or the equivalent of like permanent undersecretary of some ministry?
As a player, I might want a governor who is going to increase construction and pop growth, and I would want that guy to serve indefinitely and get better over time. However, under a political process, the 100m electorate of the lunar colony might want to prioritize something else for their own local reasons which may appear irrational to the player (brexit? the lunar colony clearly needs shipyard bonii even though there are no shipyards, thats a campaign promise you can believe in!). And then 5 years in the future, the agenda would change, and a different set of debately releveant priorities would emerge.
Under the c# command rules, ships can have multiple officers and we have several commands over them. It might be fun to add a similiar level of complexity to civilian adminstrators, with some delineation between permanent appointed civil serveants working in professional roles, and temporary elected roles for colonies with larger population, or both on the same colony.