Can you briefly explain those theories that you mentioned have been proven wrong? Just curious.
O.K.
You can start with these:
https://www.theguardian.com/technology/2012/mar/25/daniel-everett-human-language-piraha
https://aeon.co/essays/the-evidence-is-in-there-is-no-language-instinct
http://thelousylinguist.blogspot.com/2010/09/debunking-chomskys-poverty-of-stimulus.html
http://childsplay.scientopia.org/2010/09/02/754-revision/
https://www.scientificamerican.com/article/evidence-rebuts-chomsky-s-theory-of-language-learning/
http://www.freerepublic.com/focus/news/865339/posts
But next time, do your own research instead of merely excepting someone as “expert” because that claim has been offered so frequently in the primary public media sources. The primary public media sources are not an educated persons best friend. Their venues ARE agendas.