Riots generally require a combined group grievance, some organization and some dynamism during warm sunny weather.

The grievance might come to bear in the next few days, but sunny warm sunny weather is lacking. Organization is non existent and dynamism sorely lacking whilst standing in line in the petrol queue in the cold rain whilst cold and hungry whilst blaming the folks in front of the queue for just being there.

But then again http://www.youtube.com/watch?v=dIVfbylUU-M