Isle of Dogs: appropriation or appreciation?

Wes Anderson’s Isle of Dogs is set in the fictional town of Megasaki in a Japanese archipelago of the near future, where the outbreak of dog flu has led the dogs of the city to be quarantined on the abandoned Rubbish Island. But is the director’s latest release a celebratory homage to Japan or just another western-centric indulgence, utilising cultural stereotypes as a backdrop for his own ends?