Why is there so much misinformation and Slander regarding Ernesto "Che" Guevara and his character?

Guevara remains a hated figure amongst many in the Cuban exile and Cuban-American community of the United States, who view him with animosity as "the butcher of La Caba�a."[206] Guevara's exiled grandson Canek S�nchez Guevara has also recently become an outspoken critic of the current Cuban regime.[207