Whatever her view here, the nar-ratological “I” has a rhetorical power that depends upon the ability to select the best point of view from which to view an object or scene, to move freely enough within that scene to effect ironic distance and sympathetic access, and to exploit the wisdom that both nature and art provide.
Austen shifts points of view to give her readers the opportunity to view something from the best/most appropriate perspective. This is similar to how a deserving viewer of the picturesque shifts viewpoints to see the scene in the best way