I don't think all Trump supporters (or all Brexit voters) feel disenfranchised. My point is there are a large number of people who do feel discarded by the "sys

I don't think all Trump supporters (or all Brexit voters) feel disenfranchised. My point is there are a large number of people who do feel discarded by the "system", and when given the opportunity to metaphorically throw a brick through the window of the establishment (or even the appearance of such opportunity), they will do so.