The reason why some people hate him is because he owned a white fatso
At the Oscars.
If his movies are so bad, why all of them earned him Academy award nominations? Gringos can't stand other races being successful.
http://entretenimiento.starmedia.com/imagenes/2015/02/Alejandro-Gonz%C3%A1lez-I%C3%B1%C3%A1rritu-oscar.jpg