The people have had enough...
The angry middle classes of all these countries want a government that is 'accountable, responsible, and effective in moving their country further into the modern world.'
It's a question of broken faith on the part of the elected people, and a feeling of being taken for granted.
http://www.thehindu.com/opinion/lead/transitions-of-the-angry-middle-class/article5845213.ece?homepage=true