Chomsky denied the genocide of Pol Pot and defended the Khmer Rouge to score points against CIA and Western Imperialism.
start here on page 19 of Chomsky's book he wrote in 1979.
https://libcom.org/history/chomsky-pol-pots-genocidal-regime...
Chomsky was dead wrong about his heirarchy of languages and he set back computing by 50 years. He has also been wrong about geopolitics, since he ends up supporting the very Western Imperialism that he rails against.