One advantage an outsider has is the ability to more clearly see the obvious opportunities and problems unhampered by the judgement and cultural baggage of the insider.

Whenever we label ourselves (American, Christian, lawyer, mother) we assume a set of shared preconceptions as the price of that membership. These judgments and unwritten rules color and warp external reality to fit the picture the group has of it's position in the world.

The outsider has (at least for a limited time) the opportunity to see things more objectively.