If you stop to eat at a taco truck, and there is a white guy selling "Navajo tacos", is that cultural appropriation?

Shouldn't the guy be a Navajo to claim Navajo, or has Liz Warren started a new trend?
Update: Whatever humungus, you can blowme
Update 2: This was posted in politcs blue, you probably moved so you could whine at me. Get in line behind humungus and you can blowme too.
Update 3: Man! Sure a bunch of lame-azz answers to this Q!
7 answers 7