10-1b7 Culture and grammar shape each other through their evolved symbiotic relationship
10-2f0a What natural selection favored was complex thinking, not complex sentences. A gene for syntax (complex sentences) is ‘junk’ portion, as it were (i.e., not necessary).
10-2f1 Chomsky’s UG approach only looks at a subset (syntax) of a subset (language) of the whole (communication system — ‘the gestalt’). Syntax is only secondary to conversation.