Some roles need a deliberate search for a particular combination of skills. A museum looking for a conservator may want evidence of careful judgment with fragile objects, not a campaign for popularity among visitors. Appointment allows a designated authority to make that selection.
The same power can also reproduce a closed circle. People are often quickest to recognize competence in those with familiar credentials, manners, or connections. An appointment process is therefore a social technology for selecting people and a potential channel for keeping others out.
Making selection explainable
A foundation appointing a director could publish the role's responsibilities, seek candidates beyond existing contacts, and compare evidence against agreed criteria. A record of the reasons makes it easier to distinguish a considered judgment from a favor.
Appointment can combine a selector's judgment with assessment and independent oversight, as in the UK public appointments process. A selector still makes a choice, but agreed criteria and scrutiny give others grounds to assess whether that choice serves the role.
Selection should also connect to what happens afterward. An excellent candidate can struggle in a role with contradictory expectations or insufficient authority. Conversely, a powerful appointee with no review or removal route may become difficult to challenge. The appointment is only the entrance to a relationship of responsibility, not proof that the relationship will work.