Two comments: 
1) What is the scope of a culture or community? Who speaks for the community in terms of saying who is and is not invited to tell their culture's story?  Should a Polynesian be allowed to tell a white person's story? Should an Englishman be allowed to tell a Frenchman's story? Should a woman be allowed to retell a man's story? You can see how tricky it can get once we start mandating who is allowed or is not allowed to tell a culture's story. 

2) Do you believe there is a distinction between fiction and academia as it relates to appropriation of cultural storytelling/history? Should historians from outside a specific culture not be allowed to research and publish? Wouldn't that lead to a stunted and biased body of historical works (acknowledging historical bias cuts both ways)? Or is the real issue here not about the stories of a culture, but the profits going to those outside the culture/community?