It's commonly assumed that the emergence of language was a key element of the great leap. We of course know very little about the sociopolitical conditions that existed at the time, but there's no scenario I can think of that suggests how a sudden change in these conditions could have led to the emergence of language.
Noam ChomskyWhat the public wants is called 'politically unrealistic.' Translated into English, that means power and privilege are opposed to it.
Noam ChomskyOne might ask why tobacco is legal and marijuana not. A possible answer is suggested by the nature of the crop. Marijuana can be grown almost anywhere, with little difficulty. It might not be easily marketable by major corporations. Tobacco is quite another story.
Noam ChomskyTo use the terms that are reserved for official enemies, it is the commissars and apparatchiks, not the dissidents, who are respected and privileged within their own societies.
Noam ChomskyOne of the Christian fundamentalists' goals seems to be to rebuild the Temple, which means destroying the Al-Aqsa Mosque, which presumably means war with the Arab world - one of the goals, perhaps, in fulfilling the prophecy of Armageddon. So they strongly support Israeli power and expansionism, and help fund it and lobby for it; but they also support actions that are very harmful and objectionable to most of its population - as do Jewish fundamentalist groups, mostly rooted in the US, which, after all, is one of the most extreme religious fundamentalist societies in the world.
Noam Chomsky