The object of the world of ideas as a whole is not the portrayal of reality - this would be an utterly impossible task - but rather to provide us with an instrument for finding our way about more easily in the world.
Module allows you enable bypass comment review. In this case any user that have permissions to post comment, will have ability skip approval.
That will be convenient in cases when you need improve communications for certain nodes.
You have an event and during this event anonymous users should be able to post comment without approval only on nodes, that related to this event.