'Austerity' is simply a form of divide-and-rule. Treat millions of people like shit and they'll start to fight among themselves. They'll gravitate towards more extreme expressions of the political spectrum and will split both the right and the left, but the former to a lesser extent. Trump certainly picked up 'left-behind' voters that pushed him into first place in many areas, even though as a percentage of the Republican electorate their number was actually quite small. It was undoubtedly similar with 'Brexit'. In a 51-49 type 'democracy', small shifts like this can be enough.
'Austerity' is simply a form of divide-and-rule. Treat millions of people like shit and they'll start to fight among themselves. They'll gravitate towards more extreme expressions of the political spectrum and will split both the right and the left, but the former to a lesser extent. Trump certainly picked up 'left-behind' voters that pushed him into first place in many areas, even though as a percentage of the Republican electorate their number was actually quite small. It was undoubtedly similar with 'Brexit'. In a 51-49 type 'democracy', small shifts like this can be enough.