In other words the age old "champagne left" explanation for everything. Ignoring the massive class divide involved in the vote. A class divide that can be traced back to Thatcher and Reagan going union busing.
I'm in the middle of reading "Chavs: The Demonization of the Working Class" which is rather interesting - although it is from 2012 the attitudes is described are clearly what eventually led to the Brexit vote:
https://en.wikipedia.org/wiki/Chavs:_The_Demonization_of_the...