Freedom is a great practical thing, not an ideological idea.
When people rule you on the basis of their own authority, you are not a free person. This is just as true in the classroom, the office, or the shop as it is in Washington, DC or London.
But how can that be prevented?
True freedom has everything to do with how behavior, work, and thought are measured. Where do the criteria arise? This is not as obscure a thought as it might seem. Whoever assesses you is your boss. So where do the standards of assessment come from?