His works about the refugee, try argued about is his place to make those artworks?

Write about Ai Weiwei’s recent year’s controversial artwork and the personal immigration issue( Germany to England ). Some background story in China and why he doesn’t want to return ( and can’t). His works about the refugee, try argued about is his place to make those artworks? Both sides should be cover: public audience from European compare to artist standpoint( ai Weiwei also kind of is a refugee because he can not go back to his own country)