"Some fall for the imposter here." Larry says, "we have caught several imposters. They have their stories worked out right down to the name of their fictional Indian grandparents, and their story is believable and on track with our experiences in residential school, up to the contemporary racism against Indians."
The German people's only real interest in Indians is the clichè, Indian on horseback. A real Indian is not accepted until he looks like something he's not, a part of the cliché.