What are some advantages and disadvantages of using election to fill offices? what are some advantages and disadvantages of using appointment to fill offices?

The advantages of using election to fill offices is that the people voting will get a fair say in hiring the person. The disadvantages is that if, lets say if that person's friend is apart of the debating, that would be unfair, because if he doesn't have the skill, but his friend will vote for him because... well he's his friend, that would be unfair.