"This is what Cameron got wrong: you can't cut police budgets at the same time as you cut everything else. Because when you rob people of what little they have, in order to protect the interests of those who have more than anyone deserves, you should expect resistance – whether organised protests or spontaneous looting. And that's not politics. It's physics." (Emphasis added. See here)
Naomi Klein. 
Unusually for me, I have nothing to add.
 Naomi Klein. Wikipedia