Fascinating. I believe we are at the very early stages of this collapse in intersubjectivity the author is predicting. Our current use of computers, the internet and social media to expand the human mind's abilities are leading to nascent differences that can only spread further apart from here.

I just wanted to add OP, It's amazing to me how many people accused you of being verbose because they were too lazy to read your post yet had no trouble spouting off in the comments. Opinions are like assholes so the saying goes... Kind of argues your point.