Ok, but how is it that such a large fraction of an entire generation has become introverted? People whose business it is to pay attention to these kind of thing

Ok, but how is it that such a large fraction of an entire generation has become introverted? People whose business it is to pay attention to these kind of things have a lot of data showing that's the case. Andy Puzder, CEO of Hardee's and Carl's Jr says "Millennials like not seeing people"[1] That's based on observing lots of them in their stores. [1] http://uk.businessinsider.com/millennials-hate-interacting-with-people-2016-8 http://uk.businessinsider.com/millennials-hate-interacting-w...