The quote compares assigning Mr. Polopetsi to lead an investigation to placing a rabbit in charge of an airport, highlighting his inadequacy for the role. It suggests that Mr. Polopetsi lacks the necessary skills or experience, much like a rabbit would be unfit to manage the complexities of an airport. This metaphor emphasizes the humorous yet critical perception of his capabilities.

This phrase from "The Woman Who Walked in Sunshine" by Alexander McCall Smith uses satire to underscore themes of incompetence and misplaced responsibility. It reflects the wider idea that certain individuals may be ill-suited for specific tasks, evoking a sense of irony as readers contemplate the absurdity of such a situation.