So all this 'Identity Politics' isn't about whether or not a 'non-native' writer should not be allowed to write about or include any sort of 'native' culture in his/her writings. i.e. The writer's background is more important than whatever he/she writes. 

No Ms. Balkissoon would have us believe it is about cultural oppression over decades/centuries experienced by native Canadians. 

So she nicely slides by the first to 'argue' about the second. 

So what do you want to do about Emily Carr, who quite blatantly was engaged in 'cultural appropriation'?

Maybe all 'white' writers and artists should be asked to sign a pledge to never, ever write about native Canadians, use any of the images, religious lore, etc in any writing or painting that they do. 

That would solve everything, wouldn't it?