Something else has been bugging me. About the riots. Or more specifically, our attempt to find rhyme or reason for them.
We seem to have left no sociological or psychological rock unturned. Poverty and social alienation. Poor parenting and educational support. Cuts to everything from EMA to police numbers. Oh, and the bankers. Mustn't forget those dastardly bankers.
But something's been missing. For a while, I couldn't quite put my finger on it. And then, in a flash of inspiration, it came to me.
Couldn't the riots have been influenced by, well, the riots?
We had some. We definitely had some. I distinctly remember. They started with Conservative Central Office getting smashed up, and a couple of police officers nearly being decapitated with a fire extinguisher. Then, if memory serves me right, half the West End got trashed. Not once, but twice. First by the students, then by a mob of anarchist fellow travellers trying to ride the coattails of the TUC rally.
Yet, for some reason we -- and by we, I'm using my traditional lazy short-hand for the left -- don't seem to have mentioned this. John Harris didn't mention it  in last Thursday's Guardian, when he pointed the finger squarely at greedy MPs. John Pilger chose to overlook it when he blamed just about everyone but the rioters, here at the Statesman . No. The left has decided to scurry by, looking for more ideologically acceptable excuses. Sorry, causes.
Let's return to the group every right-minded person knows were the true instigators of this month's disorder. The bankers.
If you accept, as I do, that greed and an arrogant assumption of a right to material gain at any price were at a minimum a subliminal cause of the looting and mayhem. And you further accept the bankers, at least generically, are poster boys for that greed and arrogance, then I think the link between their excess and the excess on our streets is a legitimate one.
But if we believe the rioters were spurred on by the image of those in positions of wealth and influence flouting the rules to the detriment of society, surely we must extend that principle to people like Charlie Gilmour and his fellow undergraduates, who not only flouted the rules but physically indulged in rioting themselves. If the sight of a millionaire in red braces pushing a button in a City dealing room is supposed to incite a young inner city teenager to put a brick through a shop window, what effect is that sight of a millionaire in a Keffiyeh putting a brick through a window themselves supposed to have? To judge from the silence of the liberal left, none.
Let's cast the net a bit wider. What about the direct action movements, like UK Uncut? When middle class youngsters lawlessly occupy shops, and are feted for their "brilliant protests" that can "unite us all", we conveniently assume our inner city youth will instinctively know where to draw the line. And for some reason we also assume that whilst a banker engaged in legal activity at his desk can be the spur for a looter, a protestor illegally entering Fortnum's and spraying graffiti on the wall cannot.
This blame game can be fun. Especially when we get to write our own rules, and pretend we're the only side that's playing.
Just ask Jonnie Marbles . Self-styled crusader for truth, justice and the pie-pushers' way. Jonnie, if you recall, decided the rule of law wasn't for him. He had grievances, and a sense of injustice. He needed to fight the power; to take it to the man. So he took it the man, and assaulted an 80 year-old pensioner. He didn't care about the police. He didn't care that his actions would be broadcast on live public television. No balaclava for Jonnie. Jonnie laughs in the face of authority. Taunts it. Flans it. And what's more, he's got himself some much needed street cred. Just read this excerpt from his 'prison blog' :
We both break into grins and the familiar dance of how, why and handshakes plays out. I give him the short answer first, then the long one. Five minutes later Beebop, my newest lag friend, is getting me to sign his copy of The Sun.
Eat your heart out, Oscar Wilde.
Is Jonnie Marbles directly to blame for the riots? Of course not. No more than Charlie Gilmour, or Edward Woollard.
But if we seek to go beyond direct to subliminal causes -- apparently all the rage -- then why are they no more or less to blame than Fred the Shred? Because our search for answers is not a search for answers at all. It is a desperate scramble to clean up the house before our parents get home.
Before 6 August, disorder in our streets was fashionable. It was raw and exciting. Empowering.
So long as it remained the preserve of the middle class. The students. The anarchists. The gentleman insurgents.
Then the big boys turned up. Bad boys. Boys who aren't content to sit listening to Asian Dub Foundation while huddled around burning copies of the Socialist Worker, sharing solidarity with the Arab Spring.
Middle class Britain has been having fun with its own unique brand of direct action. But this month the fun stopped. Ed Miliband is right. We do need to look at "irresponsibility" in all its forms.
And perhaps from now on the rioting should be left to the professionals.