Plese educate me on the difference, as (at least in this context) they seem to be interchangable.
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To clarify, consider a hypothetical total autocracy, where the autocrat makes a decision, and everyone's behavior is altered by various means. By my reasoning, the autocrat has collected everyone's agency to themself.
Maybe it's not a perfect zero-sum, as you have inefficiencies in the system, but it does seem that you reach a point at which increasing one person's agency happens only at the expense of reducing others'