The gelded age.

It is therefore just possible that the [British] rioters will, in the long run, have done a service to the country by awaking it to its past follies. But no one ever made much of a mistake by overestimating the pusillanimity of the British political class.^[1]

With this excellent comment by John:

The author mentions just about every factor in the the riots except probably the most crucial one, namely, that Britain has been overrun by Third World immigrants, and their descendants. They were rioters vastly out of proportion to their numbers in the general population.

This article is like an medical paper on malaria that covers every aspect of the disease except mosquitoes.

Notes
^[1] "Barbarians on the Thames. A postmortem of the British riots." By Theodore Dalrymple, City Journal, Autumn 2011.