I was in the bath earlier, where I got around to doing some thinking. It seems to me that the brexit vote and election of trump etc could largely be a matter of intellectual disenfranchisement. More and more of us these days have degrees; there are more bachelors about then ever before. Half of us now belong to a club, real or perceived, from which the other half was excluded. Those who went to university have become something like a bourgeoisie, which those who did not go see as looking down at them. Brexit was a direct rebellion against that devision. Fed up of being told what to do by those they saw as patronising and arrogant, many people did precisely the opposite. Thus I think there is a link between the increase in graduates and brexit. People felt left behind by the revolution in higher education; they felt so bitter that they deliberately ignored the warnings and did the opposite of what the people who personified this devision were telling them. They chose instead to listen to people like Farage and Trump who claimed to be 'on their level', who cottoned on to this sense of being left behind and wariness about education/graduates and used it for their own perverse ends, not realising they were being manipulated.
[Edited 16/03/2017 at 14:32:05 - minor correction]