Well the show and the universe also have to be looked at separately in that context. The show was made for an American audience, which has a strong cultural belief in "great man" theory. The American audience wouldn't accept a show that doesn't follow high ranking officers being the paragon of bravery. It also had to keep an arm's length away from a specific socialist ideology to avoid being swept into the red scare.

Workplaces will still require management, even in communist and anarchist societies. It's all about who's doing the managing. The show doesn't get very detailed in this aspect of their society afaik, but by all means it seems that the rank and file are valued appropriately with their knowledge and input. Believe it or not, but this aligns quite nicely with most types of American brands of socialism. The show keeps it vague for a few good reasons